Practise Present Perfect Continuous.
Put in the verbs in brackets into the gaps.
Example: __ she __ tennis for half an hour now? (To play)
Answer: Has she been playing tennis for half an hour now?

1) Andrew __ in the country. (Not/to live)
2) How long __ your grandparents __ this car? (To drive)
3) They __. (Not / to cycle)
4) Tony __ this book, but Mary has. (Not / to read)
5) How long __ he __ for her? (To wait)
6) __ Andy __ on the blue car? (To work)
7) My brother __ hard enough. (Not / to study)
8) How long __ they __ for a flat? (To look)
9) I __ my homework. (Not / to do)
10) __ you __ the whole morning? (To sleep)

1. hasn't been living2. have your grandparents been driving3. haven't been cycling4. hasn't been reading5. has he been waiting6. Has Andy been working7. hasn't been studying8. have they been looking9. haven't been doing10. Have you been sleeping