1 . 请写出下列单词的过去式和过去分词
1. upset _________ _________
2. leave_________ _________
3. wind _________ _________
4. lose _________ _________
5. stand_________ _________
6. spring _________ _________
7. eat_________ _________
8. foresee _________ _________
9. shake _________ _________
10. ride _________ _________