have to 的时态疑问

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/02 18:12:13

have to 的时态疑问
( Have you ever had to ) take a taxi home in the past?
这是现在完成时的时态吗?
如果变为过去式提问是( Did you ever have to)?
Doesn't/don't need to 等于 needn't

是的
是的
等于但needn‘t to的to要去掉

have to 的时态疑问 have to,must时态的差别． have to有各种时态 have been to是什么时态? 英语小疑问（懂时态的进有关于have to的文章英语时态问题 have been的时态. to which的疑问. have got to能用于几种时态,它与have to的区别是什么 must have 的反问疑问 It is now being sent to his home by train.关于这句中it is部分的时态的疑问 have/has+been to是什么时态