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must Do sth 还是 must to Do sth

need do sth. 中的need是情态动词,后面跟动词原形;need to do sth.中一般是实意动词, need的用法讲解,供参考: 一、作情态动词 1.need作情态动词无人称或数的变化, 后接动词原形,多用于否定句和疑问句中。如:You needn't worry.你不必担...

must是情态动词,后面必须用动词原形 must do sth ~~~~~~~~~~~~~~~~祝你进步,如对你有帮助,请及时采纳~~~~~~~~~~~~~~~~

是should do sth 。 should的用法 ■表示“应该,应当” He should work harder. 他应该更加努力。 You should help your mother with the housework. 你应该帮你母亲做家务。 Crime should be punished. 犯罪应受惩罚。 Should I wear a coat?我要...

区别是: make sb do sth. 是正确用法, make sb. to do sth.是错误用法。 英语语法里并没有make sb. to do 这种结构。 这个结构只有在被动语态中才可以用到 to do, 即 sb. be made to do sth. 例如: He made me study hard. (主动句式) I was mad...

need do sth. 中的need是情态动词,后面跟动词原形;need to do sth.中一般是实意动词, need的用法讲解,供参考: 一、作情态动词 1.need作情态动词无人称或数的变化, 后接动词原形,多用于否定句和疑问句中。如:You needn't worry.你不必担...

在不同的语境中,“be+动词不定式”结构可以表示多种不同的语义,具体的用法和意思如下: 一、表示“计划”或“安排”。 1、This line is to be opened to traffic next week. 该线路将在下周通车。 2、They are to meet at the gate of the school. ...

allow sb.to do sth.和allow doing sth.的区别: 1、allow sb to do sth,allow后有人做宾语);allow doing sth,allow后没有人做宾语。 2、allow sb to do sth意思是允许某人做某事,如The teacher allowed us to discuss in class yesterday. al...

应是watch sb do sth;而在被动语态中,要还原to,即:sb be watched to do sth。 例句: 1、We can't just sit by and watch you throw your life away. 我们不能眼睁睁地看着你毁掉自己的生活。 2、I wound up the watch and listened to it t...

remember to do sth 记住要做某事 否定式 remember not to do sth记住不要做某事 remember doing sth 记得做过某事 否定式 remember not doing sth 记得没有做过某事 例如: Jack,remember to wake me up at seven tomorrow morning.I must take...

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