写出下列单词的相应形式。
1. we (宾格) _____________________
2. knife (复数) _____________________
3. right (同音词) _____________________
4. older (反义词) _____________________
5. dance (现在分词) _____________________
6. buy (过去式) _____________________
7. centimeter (缩写) _____________________
8. wash (第三人称单数形式) _____________________
9. driver (动词) _____________________
10. Amy (所有格) _____________________