Present perfect/ past simple

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INDUCCIÓN

JHON EYDER GAVILAN ROJASにより

Introduction to Anthropology Sociology and Psychology

Abel Christianにより

noun, verbs, adjectives, adverbs

Diana Marcela Martinez Gracianoにより

APARATO DE GOLGI

jessika rodriguezにより

Present perfect/ past simple

Past simpe

When?

How long ago?

Once

In 2000

just now

The other day

A few days ago

Last week (month, year)

Yesterday

Explain how things were in another time

Explain consecutive past actions

Say what was done at particular time

Expressar past actions

? Did + subject + verb

- Subject + did not o dind't + verb

+ Subject + regular verbs -ed + complement

Present perfecte

Keywords

For, since

How long?

Once, twice

Already, yet

just

Before, always, so far

recently, lately

this (month,year)

·Today

Uses

Been an gone

Finished actionsc

Unfinished actions

Structure

? Have/ has + subject + past participle

- Subject + have not (haven't)/ has not (hasn't) + past participle

+ Subject + HAVE/HAS + past participle