1. He (plant)__________________ trees in the garden at the moment.
2. They (not, often, go) ________________________ to the zoo.
3. What _________ she (have) __________ for breakfast this morning?
4. Mary (just come)______________________ there with her sister.
5. The boys (not learn) ______________________ English yet.
6. _________ you (do) _______________ your homework when he came?
7. Tom (post)__________________ those letters soon.
8. We (not buy)_____________________ anything tomorrow.
9. ___________ Peter (always help)______________________ his father?
10. I (clean)______________________my bicycle at that time