Question

thomas/pass his exam(-)
in present perfect ​

Answer 1

Answer:

Thomas has passed his exam.

Explanation:

The given sentence is an affirmative sentence (positive sentence).

[An affirmative sentence is a simple statement with no negatives like 'not' 'no' 'never'... ]

So in present perfect tense, we go with Subject (S)+ has/ have+ third form of Verb (V3)

The subject in the given sentence is 'Thomas'

and for singular noun we use has not have...

The verb here is 'pass' and the third form of pass (V3) is passed.

Answer 2

Answer:

Affirmative:

Thomas has passed his exam.

Negative:

Thomas has not passed his exam.

Tenses and their Structure:

Simple Present tense:

Subject + first form of verb + s or es

Present Continuous tense:

Subject + is/am/are + first form of verb + ing

Present Perfect tense:

Subject + has/have + third form of verb

Present Perfect Continuous tense:

Subject + has/have + been + first form of verb + ing + since/for

Simple Past tense:

Subject + second form of verb

Past Continuous tense:

Subject + was/were + first form of verb + ing

Past Perfect tense:

Subject + had + third form of verb

Past Perfect Continuous tense:

Subject + had + been + first form of verb + ing + since/for

Simple Future tense:

Subject + will/shall + first form of verb

Future Continuous tense:

Subject + will/shall + be + first form of verb + ing

Future Perfect tense:

Subject + will/shall + have + third form of verb

Future Perfect Continuous tense:

Subject + will/shall + have + been + first form of verb + ing + object

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