UNIT 5 :

Present perfect

Structure

Uses

Neg: S+haven't/hasn't+past participle+complements

?: Have/has+S+past participle+complements

Aff: S+have/has+past participle+complememnts

An action have finished

Actions that have occurred within an unspecified time period

Something that happened in the past and has a relation in the present

I have played in football team

I have read that book.

I have already finished my homework.

Used to

Structure

Types

Be used to

Get used to

Used to

Used when you are getting used to something new.

Used to talk about something you are already used to in the present.

Used to talk about something you used to do in the past but no longer do.

Positive

Question

Negative

Did + S + use to + infinitive verb?

S + used to + infinitive verb.

S + did not (didn't) + use to + infinitive verb.

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