按要求转换下列各词。
1. makes (原形) _____________________
2. have (第三人称单数) _____________________
3. close (第三人称单数) _____________________
4. go (过去式) _____________________
5. wash (现在分词) _____________________
6. studies (原形) _____________________
7. drink (过去式) _____________________
8. watch (复数) _____________________