Question

Complete with the present perfect continuous form of the verb in brackets My parents __________________ (donate) money to WWF for a long time. The eco helpers _____________________ (plant) the trees all the morning. She _______________________ (collect) the rubbish to recycle for a week. Engineers______________________(design) the green car for a long time. Tony _______________________ (talk) on the phone for two hours. I _______________________ (look) for my keys since 11 a.m.

Answer 1

1. had been donating

2. had been planting

3. had been collecting

4. had been designing

5. had been talking

6. had been looking

Answer 2

1. - have been donating
2. - have been planting
3. - has been collecting
4. - have been designing
5. - has been talking
6. - have been looking

Answer 3

My parents have been donating money to WWF for a long time. The eco helpers have been planting the trees all morning. She has been collecting the rubbish to recycle for a week. Engineers have been designing the green car for a long time. Tony has been talking on the phone for two hours. I have been looking for my keys since 11 a.m.