Respuestas
estas amigo (A)
I have opened the door.
You have opened the door.
He has opened the door.
She has opened the door.
It has opened the door.
We have opened the door.
You have opened the door.
They have opened the door.
2. Affirmative sentences in the Present Perfect – irregular verbs
I have gone home.
You have gone home.
He has gone home.
She has gone home.
It has gone home.
We have gone home.
You have gone home.
They have gone home.
► We use has in the 3rd person singular (he, she, it).
3. Negative sentences in the Present Perfect – regular verbs
I have not opened the door.
You have not opened the door.
He has not opened the door.
She has not opened the door.
It has not opened the door.
We have not opened the door.
You have not opened the door.
They have not opened the door.
4. Negative sentences in the Present Perfect – irregular verbs
I have not gone home.
You have not gone home.
He has not gone home.
She has not gone home.
It has not gone home.
We have not gone home.
You have not gone home.
They have not gone home.