Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
Which structure correctly forms the present perfect simple in an affirmative sentence?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The present perfect simple is formed with 'have' or 'has' followed by the past participle of the main verb.
• For example, 'She has finished' contains 'has' plus the past participle 'finished'.
• The other structures represent different or incorrect verb patterns.
• For example, 'She has finished' contains 'has' plus the past participle 'finished'.
• The other structures represent different or incorrect verb patterns.
వివరణ:
Question 2
ప్రశ్న 2
The report is completely finished and ready to send. Choose the correct form: 'I _____ it.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Have finished' correctly uses the present perfect simple and matches the subject 'I'.
• The context focuses on the completed result: the report is now finished and ready to send.
• The other options contain incorrect auxiliary agreement or verb structures.
• The context focuses on the completed result: the report is now finished and ready to send.
• The other options contain incorrect auxiliary agreement or verb structures.
వివరణ:
Question 3
ప్రశ్న 3
Choose the correct form: 'I cannot open the door because I _____ my key.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Have lost' is correct because the past event has a clear present result: the speaker cannot open the door now.
• The present perfect commonly links a past event with a consequence that is relevant in the present.
• 'Has lost' does not agree with 'I', while the other options do not form the required active present perfect.
• The present perfect commonly links a past event with a consequence that is relevant in the present.
• 'Has lost' does not agree with 'I', while the other options do not form the required active present perfect.
వివరణ:
Question 4
ప్రశ్న 4
Choose the standard form: 'I _____ Rani since 2019.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Have known' is correct because 'know' is normally a stative verb in this meaning.
• The state began in the past and continues to the present, so the present perfect simple is appropriate.
• 'Since 2019' identifies the starting point, and the continuous form 'have been knowing' is not standard neutral usage here.
• The state began in the past and continues to the present, so the present perfect simple is appropriate.
• 'Since 2019' identifies the starting point, and the continuous form 'have been knowing' is not standard neutral usage here.
వివరణ:
Question 5
ప్రశ్న 5
Arun started studying at 6 p.m. and is still studying now. Choose the correct form: 'He _____ since 6 p.m.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Has been studying' is correct because the activity started in the past and is explicitly continuing now.
• The present perfect continuous is formed with 'has/have been' plus the -ing form of the main verb.
• 'Since 6 p.m.' gives the starting point of the continuing activity.
• The present perfect continuous is formed with 'has/have been' plus the -ing form of the main verb.
• 'Since 6 p.m.' gives the starting point of the continuing activity.
వివరణ:
Question 6
ప్రశ్న 6
Choose the correct word: 'Meena has lived in this town _____ 2020.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Since' is correct because '2020' is a point in time marking when the situation began.
• 'Since' is used with a starting point in the past when the situation continues to a later reference time.
• 'For' is used with a duration such as 'for six years', not with a starting year.
• 'Since' is used with a starting point in the past when the situation continues to a later reference time.
• 'For' is used with a duration such as 'for six years', not with a starting year.
వివరణ:
Question 7
ప్రశ్న 7
Choose the correct word: 'They have been waiting _____ three hours.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'For' is correct because 'three hours' expresses a duration.
• 'For' is used with periods of time, whereas 'since' is used with starting points.
• The sentence therefore correctly describes the duration of an activity continuing up to the present.
• 'For' is used with periods of time, whereas 'since' is used with starting points.
• The sentence therefore correctly describes the duration of an activity continuing up to the present.
వివరణ:
Question 8
ప్రశ్న 8
All five application forms are now complete. Choose the form that correctly emphasizes this completed result: 'Sita _____ all five forms.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Has completed' correctly uses the present perfect simple and agrees with the singular subject 'Sita'.
• The context focuses on the completed result: all five forms are now complete.
• The other options contain incorrect auxiliary agreement or verb structures.
• The context focuses on the completed result: all five forms are now complete.
• The other options contain incorrect auxiliary agreement or verb structures.
వివరణ:
Question 9
ప్రశ్న 9
Which sentence correctly forms the negative present perfect continuous?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'She has not been working today' correctly follows the pattern 'has not + been + verb-ing'.
• The present perfect continuous uses 'have/has been' followed by the -ing form of the main verb.
• The other options omit a required auxiliary or use an incorrect main-verb form.
• The present perfect continuous uses 'have/has been' followed by the -ing form of the main verb.
• The other options omit a required auxiliary or use an incorrect main-verb form.
వివరణ:
Question 10
ప్రశ్న 10
To make it explicit that the train left before we reached the station, choose the past-perfect form: 'By the time we reached the station, the train _____.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Had left' is the past perfect form and explicitly places the train's departure before the later past event of our reaching the station.
• The past perfect is formed with 'had' plus the past participle.
• The other options use present-perfect, incompatible continuous wording or future-perfect reference.
• The past perfect is formed with 'had' plus the past participle.
• The other options use present-perfect, incompatible continuous wording or future-perfect reference.
వివరణ:
Question 11
ప్రశ్న 11
Choose the correct past-perfect form of 'write': 'Before the editor arrived, Maya _____ the final paragraph.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Had written' is correct because the past perfect requires 'had' followed by a past participle.
• 'Written' is the past participle of the irregular verb 'write'; 'wrote' is its simple-past form.
• The sentence places the writing before the editor's later past arrival.
• 'Written' is the past participle of the irregular verb 'write'; 'wrote' is its simple-past form.
• The sentence places the writing before the editor's later past arrival.
వివరణ:
Question 12
ప్రశ్న 12
The passengers began waiting two hours before the bus arrived and were still waiting when it came. Choose the correct form: 'They _____ for two hours when the bus arrived.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Had been waiting' is correct because the activity continued for a duration up to a later point in the past.
• The past perfect continuous is formed with 'had been' plus the -ing form of the main verb.
• 'For two hours' gives the duration before the later past event, the bus's arrival.
• The past perfect continuous is formed with 'had been' plus the -ing form of the main verb.
• 'For two hours' gives the duration before the later past event, the bus's arrival.
వివరణ:
Question 13
ప్రశ్న 13
Choose the correct word: 'When the bell rang at 9 a.m., the students had been waiting _____ 8:30 a.m.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Since' is correct because '8:30 a.m.' is the starting point of the waiting period.
• The past perfect continuous looks back from the later past point at 9 a.m. to the earlier starting point.
• 'For' would require a duration, such as 'for thirty minutes'.
• The past perfect continuous looks back from the later past point at 9 a.m. to the earlier starting point.
• 'For' would require a duration, such as 'for thirty minutes'.
వివరణ:
Question 14
ప్రశ్న 14
The road was still wet when we arrived because rain had continued for several hours beforehand. Choose the correct form: 'It _____ for several hours.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Had been raining' correctly presents an activity continuing over a period before a later past point.
• The wet road is a past result of the earlier ongoing rain.
• The past perfect continuous uses 'had been' plus the -ing form 'raining'.
• The wet road is a past result of the earlier ongoing rain.
• The past perfect continuous uses 'had been' plus the -ing form 'raining'.
వివరణ:
Question 15
ప్రశ్న 15
Choose the correct form for an action that will be completed before a future deadline: 'By next Friday, the team _____ the project.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Will have completed' is the future perfect form and presents the project as completed by the future deadline.
• The future perfect is formed with 'will have' plus the past participle.
• The phrase 'by next Friday' provides the future point before which completion is expected.
• The future perfect is formed with 'will have' plus the past participle.
• The phrase 'by next Friday' provides the future point before which completion is expected.
వివరణ:
Question 16
ప్రశ్న 16
Choose the correct future-perfect form of 'write': 'By noon tomorrow, Arjun _____ all five letters.'
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Will have written' is correct because 'written' is the past participle of 'write'.
• The future perfect requires 'will have' followed by a past participle.
• 'Wrote' is the simple-past form and cannot follow 'will have' in this construction.
• The future perfect requires 'will have' followed by a past participle.
• 'Wrote' is the simple-past form and cannot follow 'will have' in this construction.
వివరణ:
Question 17
ప్రశ్న 17
Which sentence correctly forms the negative future perfect?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'They will not have finished the bridge by June' correctly follows the negative future-perfect pattern.
• The structure is 'will not + have + past participle'.
• 'Finished' is the required past participle, while the other alternatives contain incorrect auxiliary or verb forms.
• The structure is 'will not + have + past participle'.
• 'Finished' is the required past participle, while the other alternatives contain incorrect auxiliary or verb forms.
వివరణ:
Question 18
ప్రశ్న 18
Which set contains four correctly formed perfect or perfect-continuous verb phrases?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Has written', 'have been working', 'had left' and 'will have finished' are all correctly formed perfect or perfect-continuous verb phrases.
• Perfect simple forms use the appropriate auxiliary plus a past participle, while perfect continuous forms use the appropriate form of 'have' plus 'been' plus a verb-ing form.
• Each of the other sets contains one or more incorrect auxiliary or main-verb forms.
• Perfect simple forms use the appropriate auxiliary plus a past participle, while perfect continuous forms use the appropriate form of 'have' plus 'been' plus a verb-ing form.
• Each of the other sets contains one or more incorrect auxiliary or main-verb forms.
వివరణ:
Question 19
ప్రశ్న 19
Which word correctly replaces the verb-form error in 'She has wrote three letters today'?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Written' is required because 'has' in the present perfect must be followed by the past participle.
• The corrected sentence is 'She has written three letters today.'
• 'Wrote' is the simple-past form of 'write', not the past participle.
• The corrected sentence is 'She has written three letters today.'
• 'Wrote' is the simple-past form of 'write', not the past participle.
వివరణ:
Question 20
ప్రశ్న 20
Which classification is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• 'Has finished' is present perfect because it uses 'has' plus the past participle 'finished'.
• 'Had been waiting' is past perfect continuous because it uses 'had been' plus the -ing form 'waiting'.
• 'Will have arrived' is future perfect because it uses 'will have' plus the past participle 'arrived'.
• 'Had been waiting' is past perfect continuous because it uses 'had been' plus the -ing form 'waiting'.
• 'Will have arrived' is future perfect because it uses 'will have' plus the past participle 'arrived'.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: A. subject + have/has + past participle సమాధానం: A.
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Question 2 ప్రశ్న 2Answer: B. have finished సమాధానం: B.
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Question 3 ప్రశ్న 3Answer: A. have lost సమాధానం: A.
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Question 4 ప్రశ్న 4Answer: B. have known సమాధానం: B.
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Question 5 ప్రశ్న 5Answer: A. has been studying సమాధానం: A.
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Question 6 ప్రశ్న 6Answer: B. since సమాధానం: B.
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Question 7 ప్రశ్న 7Answer: B. for సమాధానం: B.
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Question 8 ప్రశ్న 8Answer: A. has completed సమాధానం: A.
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Question 9 ప్రశ్న 9Answer: A. She has not been working today. సమాధానం: A.
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Question 10 ప్రశ్న 10Answer: A. had left సమాధానం: A.
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Question 11 ప్రశ్న 11Answer: B. had written సమాధానం: B.
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Question 12 ప్రశ్న 12Answer: A. had been waiting సమాధానం: A.
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Question 13 ప్రశ్న 13Answer: B. since సమాధానం: B.
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Question 14 ప్రశ్న 14Answer: A. had been raining సమాధానం: A.
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Question 15 ప్రశ్న 15Answer: A. will have completed సమాధానం: A.
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Question 16 ప్రశ్న 16Answer: B. will have written సమాధానం: B.
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Question 17 ప్రశ్న 17Answer: A. They will not have finished the bridge by June. సమాధానం: A.
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Question 18 ప్రశ్న 18Answer: A. has written; have been working; had left; will have finished సమాధానం: A.
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Question 19 ప్రశ్న 19Answer: B. written సమాధానం: B.
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Question 20 ప్రశ్న 20Answer: A. 'has finished' – present perfect; 'had been waiting' – past perfect continuous; 'will have arrived' – future perfect సమాధానం: A.