2. the garden watered every monring is full of flower
3. do you mind if i give some advice ....
4. do you mind telling me how you learned....
5. they were doing homewwork at 8 last night
6.i was reading a book
7. it is not easy to answer the question
8. they are lucky to pass all the exam
9. tom saiid that his friend was coming the folowing week
10. somebody wrote a letter to his friend yesterday
11. many tropical forest have already been destroyed in this area
12. the teacher asked me where my father worked
