Ответ:

1. been cooking

2. been replying

3. been working

4. done

5. been researching

6. been learning

5 ex

i have already seen the film

i have known Terry since we were children

have you went to the concert last summer

how long have you had a driving licence

she has been born in 1990

6 ex

can

been feeling

should

prescribe

clear