Present and Past Perfect Tenses:
In addition to the basic formation, we need to know:
A sentence in which action is complete and it relates to past e.g.
a) He had gone to school.
b) I had done my work.
c) The teacher had fulfilled her commitment.
What do we need to remember here?
Helping verb i.e. had and form of verb which is 3rd (past participle).
Note: All perfect tenses take past participle form of verb.
Present Perfect Tense:
A sentence in which action is complete and it relates to present e.g.
a) He has gone to school.
b) I have done my work.
c) The teacher has fulfilled her commitment.
What do we need to remember here?
Helping verb i.e. has and have and form of verb which is 3rd (past participle).
I. Using "Has": It is used with 3rd person singular i.e. He, she, it and single nouns e.g. Aslam, David, Tom etc.
II. Usage of "Have": It is used with 1st person singular, 2nd person and all plurals.
Note: All perfect tenses take past participle form of verb.