Present Perfect Rules
Here you can find tables with Present Perfect rules on:
positive sentences, negative sentences and questions.
Click Here for Step-by-Step Rules, Stories and Exercises to Practice All English Tenses
Positive Sentences
| Who? | Form of verb | Examples |
| I | have + Verb 3 | I have written a book. |
| He/She/It | has + Verb 3 | He
has written a book. She has written a book. It has written a book. |
| You | have + Verb 3 | You have written a book. |
| We | have + Verb 3 | We have written a book. |
| They | have + Verb 3 | They have written a book. |
Click here to find out about regular verbs and irregular verbs
Click here to find out how to add ed to a verb
Negative Sentences
| Who? | Form of verb | Examples |
| I | have
+ not + Verb 3 haven't + Verb 3 |
I
have not written a book. I haven't written a book. |
| He/She/It | has
+ not + Verb 3 hasn't + Verb 3 |
He
has not written a book. He hasn't written a book. She has not written a book. She hasn't written a book. It has not written a book. It hasn't written a book. |
| You | have
+ not + Verb 3 haven't + Verb 3 |
You
have not written a book. You haven't written a book. |
| We | have
+ not + Verb 3 haven't + Verb 3 |
We
have not written a book. We haven't written a book. |
| They | have
+ not + Verb 3 haven't + Verb 3 |
They
have not written a book. They haven't written a book. |
Question Sentences
| Who? | Form of verb | Examples | |
| Have | I | Verb 3 | Have I written a book? |
| Has | he/she/it | Has
he written a book? Has she written a book? Has it written a book? |
|
| Have | you | Have you written a book? | |
| Have | we | Have we written a book? | |
| Have | they | Have they written a book? |
So these are the Present Perfect Rules.
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