PAST SIMPLE VS PAST PERFECT

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PRESENT CONTINUOUS

by Angel Adbiel Romo Valdez

PASSIVE VOICE

by DANIEL SANCHEZ

Pronominalització català

by alvaro cordoba

INDUCCIÓN

by JHON EYDER GAVILAN ROJAS

Jefferson Bustamante

Isabel Godoy

Erika Benites

Marina Castro

PAST SIMPLE VS PAST PERFECT

Members:

Erika Benites

Marina Castro

Isabel Godoy

Jefferson Bustamante

Time is given: She came home at six o´clock.

One specific event: I bought this bag in Paris. It´s very cheap there.

Finished: I played tennis for ten years.

Questions: Did+subject+infinitive (without to)

Negative: Subject+did+not+infinitive (without to)

Affirmative: Subject+Past forms

For third people: he, she and it we add a "-s" at the end of the verb.

To combine the simple present we use the infinitive for subjects: I, you, we, they.

USAGE

Explanation why something is now: Peter is happy. He has passed his driving test.

Experience in general: I have been to Paris.

Not finished: I have played tennis for ten years.

STRUCTURE

Questions: Have/Has+subject+past participle..?

Negative: Subject+have/has+not+past participle.

Affirmative: Subject+have/has+past participle.

FORM

For regular verbs, past participle is the simple form of the past.

To form the perfect present, the auxiliary verb "to have" is used in the present and the past participle of the verb.