Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
Choose the correct form: “The museum ___ at 5 p.m. last Saturday, as scheduled, and remained closed for the rest of the evening.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• “Last Saturday” refers to a finished past time, and the sentence presents the closing as a completed event.
• The simple past form “closed” is therefore appropriate.
• The present forms are incompatible with the finished past reference, and the present perfect is not used with a definite finished time such as “last Saturday.”
• The simple past form “closed” is therefore appropriate.
• The present forms are incompatible with the finished past reference, and the present perfect is not used with a definite finished time such as “last Saturday.”
వివరణ:
Question 2
ప్రశ్న 2
Choose the correct form: “At 8:15 p.m. yesterday, I ___ dinner; I had started at 8:00 and finished at 8:30.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The action was in progress at the specified past moment of 8:15 p.m.
• The past continuous “was eating” describes an activity already underway at that time.
• The stated start and finish times show that the meal was not yet complete at 8:15, while the present perfect is incompatible with the finished past-time reference.
• The past continuous “was eating” describes an activity already underway at that time.
• The stated start and finish times show that the meal was not yet complete at 8:15, while the present perfect is incompatible with the finished past-time reference.
వివరణ:
Question 3
ప్రశ్న 3
Choose the correct form: “At the exact moment a passing car splashed water on her, Priya ___ across the road.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The sentence describes an action in progress at a particular moment in the past.
• “Was walking” is the past continuous form and provides the ongoing background action.
• “Splashed” is the shorter completed event that occurred while Priya’s walking was in progress.
• “Was walking” is the past continuous form and provides the ongoing background action.
• “Splashed” is the shorter completed event that occurred while Priya’s walking was in progress.
వివరణ:
Question 4
ప్రశ్న 4
Choose the correct form: “By the time the fire engine arrived, all the residents ___ the building and were safely outside.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The residents’ departure was completed before the later past event, the fire engine’s arrival.
• The past perfect “had left” clearly marks that earlier completed action.
• “Were safely outside” confirms that the leaving was already complete, so an ongoing leaving form does not fit.
• The past perfect “had left” clearly marks that earlier completed action.
• “Were safely outside” confirms that the leaving was already complete, so an ongoing leaving form does not fit.
వివరణ:
Question 5
ప్రశ్న 5
Choose the correct form: “When the bus finally arrived at 10 a.m., we ___ for it continuously since 8 a.m.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The waiting began at 8 a.m. and continued up to the later past point when the bus arrived at 10 a.m.
• The past perfect continuous “had been waiting” expresses duration continuing up to that past reference point.
• The present perfect continuous refers to a present reference point, while the simple and past-continuous alternatives do not correctly express the stated “since 8 a.m.” relationship.
• The past perfect continuous “had been waiting” expresses duration continuing up to that past reference point.
• The present perfect continuous refers to a present reference point, while the simple and past-continuous alternatives do not correctly express the stated “since 8 a.m.” relationship.
వివరణ:
Question 6
ప్రశ్న 6
Choose the correct form: “When the lights suddenly went out, the students ___ their examination.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The examination was already in progress when the shorter event “the lights went out” occurred.
• The past continuous “were taking” is used for that ongoing background action.
• The simple and perfect alternatives would not express the intended interrupted activity in progress at that moment.
• The past continuous “were taking” is used for that ongoing background action.
• The simple and perfect alternatives would not express the intended interrupted activity in progress at that moment.
వివరణ:
Question 7
ప్రశ్న 7
Which sentence correctly uses the simple past for a sequence of completed past actions?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• “Opened,” “checked,” and “sent” are all simple past forms describing successive completed actions.
• Using the same past-time framework makes the sequence clear and grammatically consistent.
• The other options mix incompatible tense forms without a context that would justify those shifts.
• Using the same past-time framework makes the sequence clear and grammatically consistent.
• The other options mix incompatible tense forms without a context that would justify those shifts.
వివరణ:
Question 8
ప్రశ్న 8
Choose the correct form: “At this time last year, Arjun ___ at the Pune branch while his regular office was being renovated.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• “At this time last year” points to a particular period viewed as in progress in the past.
• “Was working” presents Arjun’s temporary work arrangement as ongoing during that period.
• The present and present-perfect-continuous alternatives use a present reference point and therefore do not fit the explicit past-time expression.
• “Was working” presents Arjun’s temporary work arrangement as ongoing during that period.
• The present and present-perfect-continuous alternatives use a present reference point and therefore do not fit the explicit past-time expression.
వివరణ:
Question 9
ప్రశ్న 9
Which form most clearly marks that all twelve microphones were completely tested before the presentation began? “When the presentation began, the technician ___ all twelve microphones and recorded the results.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The past perfect “had tested” explicitly places the completed testing before the later past event “the presentation began.”
• The phrase “all twelve microphones” and the recorded results emphasize completion rather than an activity still in progress.
• The continuous forms do not fit that completed-result meaning, and the simple past does not mark the earlier-past relationship as explicitly as the requested form.
• The phrase “all twelve microphones” and the recorded results emphasize completion rather than an activity still in progress.
• The continuous forms do not fit that completed-result meaning, and the simple past does not mark the earlier-past relationship as explicitly as the requested form.
వివరణ:
Question 10
ప్రశ్న 10
Choose the correct form: “When we reached the field at 7 a.m., the rain had already stopped, but the ground was soaked because it ___ continuously for several hours.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The rain occurred over a period before the past reference point when we reached the field, and it had already stopped by then.
• The past perfect continuous “had been raining” emphasizes the preceding duration and explains the resulting wet ground.
• The past continuous would suggest an action in progress around the reference time, while the present perfect continuous incorrectly uses a present reference point.
• The past perfect continuous “had been raining” emphasizes the preceding duration and explains the resulting wet ground.
• The past continuous would suggest an action in progress around the reference time, while the present perfect continuous incorrectly uses a present reference point.
వివరణ:
Question 11
ప్రశ్న 11
Choose the correct form: “By the time she retired in 2020, she ___ the principal for twenty years.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The state of knowing the principal began before and continued up to the past reference point of retirement.
• “Know” is normally stative, so the past perfect simple “had known” is standard for this meaning.
• Continuous forms with “know” are normally avoided in this stative sense, and the simple past does not express the earlier-to-later past relationship as clearly.
• “Know” is normally stative, so the past perfect simple “had known” is standard for this meaning.
• Continuous forms with “know” are normally avoided in this stative sense, and the simple past does not express the earlier-to-later past relationship as clearly.
వివరణ:
Question 12
ప్రశ్న 12
The power failed at exactly 7:15 p.m. yesterday. Which question correctly asks about an activity in progress at that moment?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The question asks about an activity that was in progress at a specific moment in the past.
• “Were you doing” is the interrogative form of the past continuous.
• The other forms ask about a completed action or use an inappropriate present reference rather than an ongoing action at 7:15 p.m.
• “Were you doing” is the interrogative form of the past continuous.
• The other forms ask about a completed action or use an inappropriate present reference rather than an ongoing action at 7:15 p.m.
వివరణ:
Question 13
ప్రశ్న 13
Choose the correct form: “Ravi did not ___ the meeting yesterday because he was ill.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A negative simple-past clause with “did not” requires the base form of the main verb.
• Therefore, “did not attend” is the correct construction.
• The past-tense marking is carried by “did,” so “attended” must not be used after it.
• Therefore, “did not attend” is the correct construction.
• The past-tense marking is carried by “did,” so “attended” must not be used after it.
వివరణ:
Question 14
ప్రశ్న 14
Which question is correctly formed in the past perfect to ask whether all the forms were completed before the past deadline of 11:30 a.m.?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The past perfect interrogative is formed with “had + subject + past participle.”
• “Had you submitted …?” correctly uses that form to look back to completion before a past deadline.
• The other options are respectively simple past, past continuous, and present perfect rather than past perfect.
• “Had you submitted …?” correctly uses that form to look back to completion before a past deadline.
• The other options are respectively simple past, past continuous, and present perfect rather than past perfect.
వివరణ:
Question 15
ప్రశ్న 15
Choose the correct pair: “By the time we reached the stadium, the match ___ already ___.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The match started before the later past event of our arrival at the stadium.
• “Had started” is the past perfect and clearly marks that earlier completed event.
• “Already” naturally reinforces the meaning that the starting had occurred before we arrived.
• “Had started” is the past perfect and clearly marks that earlier completed event.
• “Already” naturally reinforces the meaning that the starting had occurred before we arrived.
వివరణ:
Question 16
ప్రశ్న 16
Choose the correct form: “When the drivers stopped for a rest at 6 p.m., they ___ continuously for four hours.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The driving began four hours before 6 p.m. and continued up to the past moment when the drivers stopped.
• “Had been driving” expresses an activity continuing over a duration before a later past event.
• The present perfect continuous requires a present reference point, while the simple and past-continuous forms do not correctly encode the stated four-hour period up to the stop.
• “Had been driving” expresses an activity continuing over a duration before a later past event.
• The present perfect continuous requires a present reference point, while the simple and past-continuous forms do not correctly encode the stated four-hour period up to the stop.
వివరణ:
Question 17
ప్రశ్న 17
Choose the correct form: “At 10:05 a.m., while the teacher was still explaining the problem, the students ___ notes and had not yet finished.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The students’ note-taking was explicitly still in progress at 10:05 a.m.
• The past continuous “were taking” is therefore the appropriate form.
• The base form lacks a finite auxiliary, while the perfect alternatives indicate completed or present-related reference rather than the stated ongoing past action.
• The past continuous “were taking” is therefore the appropriate form.
• The base form lacks a finite auxiliary, while the perfect alternatives indicate completed or present-related reference rather than the stated ongoing past action.
వివరణ:
Question 18
ప్రశ్న 18
Which sentence presents three successive completed events in the past using the simple past consistently?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• “Rang,” “packed,” “left,” and “walked” are simple past forms describing a clear sequence of completed past events.
• The conjunction “after” establishes the order, so no additional tense shift is required for this straightforward narrative.
• The other options contain unjustified or ungrammatical mixtures of present, past, perfect, and non-finite forms.
• The conjunction “after” establishes the order, so no additional tense shift is required for this straightforward narrative.
• The other options contain unjustified or ungrammatical mixtures of present, past, perfect, and non-finite forms.
వివరణ:
Question 19
ప్రశ్న 19
Choose the sentence that clearly shows the patient’s departure was completed before the doctor arrived.
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• “Had already left” is the past perfect and marks the patient’s departure as earlier than the doctor’s past arrival.
• “Arrived” remains in the simple past because it supplies the later past reference point.
• The other options either mix present and past reference incorrectly or contain an ungrammatical verb form.
• “Arrived” remains in the simple past because it supplies the later past reference point.
• The other options either mix present and past reference incorrectly or contain an ungrammatical verb form.
వివరణ:
Question 20
ప్రశ్న 20
Choose the correct form: “At noon, just after the workers stopped for lunch, they were exhausted because they ___ heavy boxes continuously since 8 a.m.”
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The carrying began at 8 a.m. and continued until shortly before the past reference point at noon.
• “Had been carrying” emphasizes the duration of the preceding activity and explains the workers’ exhaustion.
• The present perfect continuous uses a present reference point, while the simple and past-continuous forms do not express the same completed past-before-past duration.
• “Had been carrying” emphasizes the duration of the preceding activity and explains the workers’ exhaustion.
• The present perfect continuous uses a present reference point, while the simple and past-continuous forms do not express the same completed past-before-past duration.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: C. closed సమాధానం: C.
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Question 2 ప్రశ్న 2Answer: B. was eating సమాధానం: B.
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Question 3 ప్రశ్న 3Answer: C. was walking సమాధానం: C.
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Question 4 ప్రశ్న 4Answer: C. had left సమాధానం: C.
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Question 5 ప్రశ్న 5Answer: D. had been waiting సమాధానం: D.
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Question 6 ప్రశ్న 6Answer: A. were taking సమాధానం: A.
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Question 7 ప్రశ్న 7Answer: C. Neha opened the file, checked the figures, and sent the report. సమాధానం: C.
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Question 8 ప్రశ్న 8Answer: B. was working సమాధానం: B.
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Question 9 ప్రశ్న 9Answer: C. had tested సమాధానం: C.
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Question 10 ప్రశ్న 10Answer: C. had been raining సమాధానం: C.
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Question 11 ప్రశ్న 11Answer: C. had known సమాధానం: C.
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Question 12 ప్రశ్న 12Answer: B. What were you doing at that moment? సమాధానం: B.
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Question 13 ప్రశ్న 13Answer: B. attend సమాధానం: B.
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Question 14 ప్రశ్న 14Answer: C. Had you submitted all the forms by 11:30 a.m.? సమాధానం: C.
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Question 15 ప్రశ్న 15Answer: B. had / started సమాధానం: B.
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Question 16 ప్రశ్న 16Answer: D. had been driving సమాధానం: D.
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Question 17 ప్రశ్న 17Answer: C. were taking సమాధానం: C.
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Question 18 ప్రశ్న 18Answer: A. After the bell rang, the students packed their bags, left the room, and walked to the buses. సమాధానం: A.
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Question 19 ప్రశ్న 19Answer: B. By the time the doctor arrived, the patient had already left the clinic. సమాధానం: B.
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Question 20 ప్రశ్న 20Answer: D. had been carrying సమాధానం: D.