Ответ:

1. 1 she has been working hard

2 Bob and Bill have been fighting

3 he has been lying in the sun

4 she has been playing tennis

2. 1 have you been crying

2 have you been waiting long

3 what have you been doing

3. 1 he has been studying

2 I have been learning Spanish

3 Ann has been looking for a job

4 Mary has been working in London

5 George has been smoking

Ответ:

ex 16.1

1. She has been working hard.

2. Bob and Bill have been fighting.

3. He has been lying in the sun.

4. She has been playing tennis.

ex 16.2

1. Have you been crying?

2. Have you been waiting for too long?

3. What have you done?

ex 16.31

1. has been studying

2. have been learning

3. has been looking

4. she has been working there

5. he has been smoking