【高考英语语法】情态动词后面只接不带to的不定式！伊顿教育老师今天为大家讲解的是情态动词+do的用法，大家关注！

　　情态动词除ought to, used to等外，后面只接不带to的不定式。

　　1.情态动词+do

　　You shouldn't be so careless.你不该这样粗心大意。

　　Jessica told him yesterday she might not go on the trip.

　　杰西卡昨天告诉他，她可能不去旅行了。

　　Difficulties can and must be overcome.

　　困难能够而且需要克服。

　　2.情态动词+be doing

　　She must be listening to pop music.

　　她肯定在听流行音乐。

　　You should be reviewing your lessons.

　　你应该在复习功课。

　　My mother maymight be cooking now.

　　我妈妈可能正在做饭。

　　3.情态动词+have done

　　They might have visited the Great Wall.

　　他们可能参观过长城了。

　　He must have got up very early to catch the train.

　　他起得很早去赶火车了。

　　You ought to have come earlier.

　　你本该早一点儿来。

　　4.情态动词+be done

　　This word can also be used as a verb.

　　这个词也可以用作动词。

　　Something must be done to stop pollution.

　　需要采取措施来制止污染。

　　The work ought to have been finished long ago.

　　这工作早就该完成了。