Present perfect/ past simple

Structure

+ Subject + HAVE/HAS + past participle

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

? Have/ has + subject + past participle

Uses

Unfinished actions

Finished actionsc

Been an gone

Keywords

·Today

this (month,year)

recently, lately

Before, always, so far

just

Already, yet

Once, twice

How long?

For, since

Structure

+ Subject + regular verbs -ed + complement

- Subject + did not o dind't + verb

? Did + subject + verb

Uses

Expressar past actions

Say what was done at particular time

Explain consecutive past actions

Explain how things were in another time

Keywords

Yesterday

Last week (month, year)

A few days ago

The other day

just now

In 2000

Once

How long ago?

When?