I.写出下列词的动词过去式和过去分词
1. forget 2. give 3. go 4. grow 5. hear 6. keep
7. know 8. leave 9. let 10. become
II. 用所给词的适当形式填空
1. They ______already______（clean）the classroom .
2. Have they_____（get）a bike? Yes, they_____.
3. Have you______（write）a letter to Tom? N o, I_______.
4. She____ ______（see）the film before.
5. Li Lei ____just____（eat）fish and chips.
6. I______ _______（do）my homework yet.
7. Tom and Jim____ _____（be）to Qingdao before.
8. My mother____ _____（buy）a new car. She is driving it now.
9. Have they ______（find）the lost boy? No, not yet. I____（look）for him everywhere , but I didn’t find him.
10. We _____never_____（speak）to a foreigner.
