1. Helen often ____________(ride) a bike to school, but today she ___________(walk) to school.
2. ___________ your father ______________(water) flowers now?
3. Who _____________(sing) in the next room?
4. My brother ____________(not do) his homework yesterday.
5. Look, my family ___________(watch) TV in the sitting-room.
6. Last Sunday I __________(go) to the park and ___________(play) football there.
7. Helen often ________ (help) her friends with their English.
8. Last Sunday, Liu Tao ______________(not play) football. He _________ (visit) his grandparents and ________(clean) the house for them.
9. Look, the women ___________(dance).
10. __________they__________(water) flowers every day?
11. The signs on the grass____________(mean) we shouldn’t walk on it.
12. Who ________ (teach) this class English ? Miss Li does.
13. My brother _________ (not watch) TV every day.
14.It’s seven o’clock, they ________ (吃) supper with their friends.
15. Everybody _________(go) to school early every morning.
16. Where is your mother? She ________ (cook) in the kitchen.
17. He _______ (be) at school last Saturday.
18. Where _______ Jack and Helen last weekend?
19. Be quiet! Dad ________ (read) in the next room.
20. They __________ (go) home together every day.
21. My sister _________ ( study) English at school.
22. The bird in the tree _________ (dance) now.
23.Helen and Su Hai _________(go) to school early every morning.

1. Helen often ____________(ride) a bike to school, but today she ___________(walk) to school.
2. ___________ your father ______________(water) flowers now?
3. Who _____________(sing) in the next room?
4. My brother ____________(not do) his homework yesterday.
5. Look, my family ___________(watch) TV in the sitting-room.
6. Last Sunday I __________(go) to the park and ___________(play) football there.
7. Helen often ________ (help) her friends with their English.
8. Last Sunday, Liu Tao ______________(not play) football. He _________ (visit) his grandparents and ________(clean) the house for them.
9. Look, the women ___________(dance).
10. __________they__________(water) flowers every day?
11. The signs on the grass____________(mean) we shouldn’t walk on it.
12. Who ________ (teach) this class English ? Miss Li does.
13. My brother _________ (not watch) TV every day.
14.It’s seven o’clock, they ________ (吃) supper with their friends.
15. Everybody _________(go) to school early every morning.
16. Where is your mother? She ________ (cook) in the kitchen.
17. He _______ (be) at school last Saturday.
18. Where _______ Jack and Helen last weekend?
19. Be quiet! Dad ________ (read) in the next room.
20. They __________ (go) home together every day.
21. My sister _________ ( study) English at school.
22. The bird in the tree _________ (dance) now.
23.Helen and Su Hai _________(go) to school early every morning.