1.ask and answer using the present perfect continuous tense a)marry/teach/french/1998 b) the children/watch/tv/2 hours c)laura/play/the guitar/4 years

1 Has Marry been teaching Frech since1998?

How long has Mary been teaching Frech?

She has been teaching Frech since 1998.

2 Have the children been watching TV for 2 hours?

What have they been doing for 2 hours?

The children have been watching TV for 2 hours.

3 Has Laura been playing the guitar for 4 years?

How long has she been playing the guitar?

Laura has been plauing the guitar for 4 years.

Объяснение: