写出下列单词的过去式。1. do _______________3. sing_

问题填空题

写出下列单词的过去式。

1. do _______________
3. sing _______________
5. visit _______________
7. learn _______________
9. get _______________
11. swim _______________
13. have _______________

2. cook _______________
4. dance _______________
6. buy _______________
8. see _______________
10. study _______________
12. fly _______________
14. go _______________

15. take _______________

答案

1. did 2. cooked 3. sang 4. danced 5. visited 6. bought 7. learned / learnt 8. saw 9. got 10. studied

11. swam 12. flew 13. had 14. went 15. took