V3: Past simple vs present perfect

'Yesterday' is a signal word for the ..

• past simple

• present perfect

'Last week' is a signal word for the ..

• past simple

• present perfect

'Since 1965' is a signal word for the ..

• past simple

• present perfect

'For 20 years' is a signal word for the ..

• past simple

• present perfect

'Last Tuesday' is a signal word for the ..

• past simple

• present perfect

'Never' is a signal word for the ..

• past simple

• present perfect

'Already' is a signal word for the ..

• past simple

• present perfect

'5 days ago' is a signal word for the ..

• past simple

• present perfect

Peter ...... (play) football yesterday.

• had played

• played

• have played

They ...... (clean) the car. It looks new again.

• cleaned

• has cleaned

• have cleaned