My little sister has ... learnt how to swim. She couldn't do it yesterday!

I've ... finished the homework, mom.

My friend has ... been to Cairo. She said she loved it.

Has Lisa baked the cake ... ?

We've ... missed our flight! For 10 minutes only!

Henry ... ... seen this film.

My uncle ... ... moved to San Francisco.

The teacher hasn't ... ... .

Have your friends ... to Argentina ... ?