El presente perfecto Inglés báscio

El presente perfecto se utiliza cuando se quiere recalcar en el resultado de la acción.
Por ejemplo: Someone has broken my pen

Present Perfect:

Positive

I have cleanned
You have arrived
We have gone
They have eaten

He has studied
She has slept
It has finished

Negative

I have not cleanned
You have not arrived
We have not gone
They have not eaten

He has not studied
She has not slept
It has not finished

Interrogative:

Have I cleanned?
Have You arrived?
Have We gone?
Have They eaten?

Has He studied?
Has She slept?
Has It  finished?