Present Perfect FOR or SINCE

Margaret has lived in Spain ...... a long time

• for

• since

Answer explanation

durée de l'action, mais on ne sais pas depuis quand

I haven't had a holiday ......last summer.

• for

• since

Patrick is really tired. He has been awake......four o'clock this morning.

• for

• since

New Zealand has been an independent country ......1947.

• for

• since

Dinosaurs have been extinct.......millions of years

• for

• since

Mr. Smith has been away from his desk ...... a few minutes.

• for

• since

Jenny and I have been friends ....... we were kids.

• for

• since

The store has been closed ......last Wednesday

• for

• since

Michael has had the same job......ten years

• for

• since

I've been so busy I haven't slept ......two days!

• for

• since