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

SubjectHavePast
Participle		Rest of the Sentence
Ihavestudiedfor the exam.
Youhaveboughta new computer.
Hehaseatenmy chocolate.
Shehaswrittenan e-mail.
Ithasbeencold this month.
Wehavewonthe championship.
Youhavetriedto learn a lot.
Theyhaveforgottenmy birthday.

Contractions

The contracted form of the perfect tense is quite common:
HaveContractionExamples
I haveI'veI've spent all my money.
You haveYou'veYou've worn that dress before.
He hasHe'sHe's slept all morning.
She hasShe'sShe's lost her purse.
It hasIt'sIt's fallen off the wall.
We haveWe'veWe've chosen you for the job.
You haveYou'veYou've begun to annoy me.
They haveThey'veThey'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
SubjectHavePast
Participle		Rest of the Sentence
Ihaven'tstudiedfor the exam.
Youhaven'tboughta new computer.
Hehasn'teatenmy chocolate.
Shehasn'twrittenan e-mail.
Ithasn'tbeencold this month.
Wehaven'twonthe championship.
Youhaven'ttriedto learn a lot.
Theyhaven'tforgottenmy birthday.

Questions

HaveSubjectPast
Participle		Rest of the Sentence
HaveIbeenchosen for the team?
Haveyouboughta new car?
Hasheeatenmy sandwich?
Hasshewrittenthe letter?
Hasitstartedon time?
Havewewona trophy?
Haveyoukeptmy secret?
Havetheydriventhere?

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