PRESENT PERFECT

Present Perfect Tense

English Grammar Rules

The Present Perfect Tense is formed using the following structure:

Affirmative: Subject + Have / Has + Past Participle

Negative: Subject + Haven't / Hasn't + Past Participle

Question: Have / Has + Subject + Past Participle

Affirmative Sentences

Subject	Have	Past Participle	Rest of the Sentence
I	have	studied	for the exam.
You	have	bought	a new computer.
He	has	eaten	my chocolate.
She	has	written	an e-mail.
It	has	been	cold this month.
We	have	won	the championship.
You	have	tried	to learn a lot.
They	have	forgotten	my birthday.

Contractions

The contracted form of the perfect tense is quite common:

Have	Contraction	Examples
I have	I've	I've spent all my money.
You have	You've	You've worn that dress before.
He has	He's	He's slept all morning.
She has	She's	She's lost her purse.
It has	It's	It's fallen off the wall.
We have	We've	We've chosen you for the job.
You have	You've	You've begun to annoy me.
They have	They've	They've drunk too much.

We use contractions a lot when we are speaking.

Negative Sentences

The contraction of the perfect tense in negative form is:
Have not = Haven't
Has not = Hasn't

Subject	Have	Past Participle	Rest of the Sentence
I	haven't	studied	for the exam.
You	haven't	bought	a new computer.
He	hasn't	eaten	my chocolate.
She	hasn't	written	an e-mail.
It	hasn't	been	cold this month.
We	haven't	won	the championship.
You	haven't	tried	to learn a lot.
They	haven't	forgotten	my birthday.

Questions

Have	Subject	Past Participle	Rest of the Sentence
Have	I	been	chosen for the team?
Have	you	bought	a new car?
Has	he	eaten	my sandwich?
Has	she	written	the letter?
Has	it	started	on time?
Have	we	won	a trophy?
Have	you	kept	my secret?
Have	they	driven	there?