Form: present perfect
have / has + past participle
The present perfect is formed with have / has (the present tense forms of have) + the past participle form of the verb.
Affirmative
| Subject | Auxiliary | Verb (past participle) | |
|---|---|---|---|
| I You We You They |
have | seen | this film before. |
| He/She/It | has |
The following contracted forms are often used in spoken and in informal written language:
I have » I've
you have » you've
he/she/it has » he's/she's/it's
we have » we've
you have » you've
they have » they've
Negative
| Subject | Auxiliary | not | Verb (past participle) | |
|---|---|---|---|---|
| I You We You They |
have | not | seen | this film yet. |
| He/She/It | has |
The contracted forms haven't and hasn't are often used instead of have not and has not in spoken and in informal written language.
Interrogative
| (Question word) | Auxiliary | Subject | Verb (past participle) | |
|---|---|---|---|---|
| (How many times) | have | I you we you they |
seen | this film? |
| has | he/she/it |
