题目内容

【题目】读一读,写出动词的过去式。

1. help ___________

2. do ___________

3. wash ___________

4. cook ___________

5. is ___________

【答案】helped did washed cooked was

【解析】

1. help帮助,其过去式是规则变化,直接加ed。故答案为helped

2. do做,其过去式是不规则变化did。故答案为did

3. wash洗,其过去式是规则变化,直接加ed。故答案为washed

4. cook煮,其过去式是规则变化,直接加ed。故答案为cooked

5. is是,其过去式是不规则变化was。故答案为was

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