have to 有过去式吗?
have got to真的有过去式吗?
Often后加 have to 句型,要用过去式吗
现在完成时,过去式have gone to 和 went to 有什么区别都不是走了都没回来吗?如 Where is J
ought to有没有过去式和第三人称单数形式 He( )应该 have g
have 加动词过去式与动词过去式有什么区别
look forward to 后面永远跟动词ing形式吗?即使前面有个have been 后面的动词不用变过去式的吧?
have a good time有没有过去式?
have过去式
where to go by train有短语过去式吗
would like to 的过去式是什么?would have like to?
have to加动词的过去式,had to加什么?