二炮现任司令员是谁:HELP?????????????????求救!
来源:百度文库 编辑:杭州交通信息网 时间:2024/05/30 21:16:53
I had to see the dentist.的一般疑问句怎么变.还有:在哪有助动词的练习?
I had to see the dentist
还有否定句!!!!
I had to see the dentist
还有否定句!!!!
had to 是一个词组,必须的意思 可以看作是一般动词,也可以看作是情态动词~~~
可以改为
1、Did I have to see the dentist?
2、Had to see the dentist?
Did you have to see the dentist?
不好意思,我不知道助动词。
I didn't have to see the dentist.
did I have to see the dentist?
Did you have to see the dentist?