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be supposed to be supposed to 后面加什么

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be supposed to be supposed to 后面加什么

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大家好,小跳來為大家解答以上的問題 。be supposed to 后面加什么，be supposed to這個很多人還不知道,現在讓我們一起來看看吧！
1、be supposed to 的用法用法一： be supposed to... 其中to是動詞不定式符號，不是介詞 ， 其后要跟動詞原形 。
2、當be supposedto... 的主語是“人” 時，意為“應該……”；“被期望……”，它可以用來表示勸告、建議、義務、責任等，相當于情態動詞should 。
3、如：Everyone is supposed to wear a seat-belt in the car.每個人在汽車里都應該系安全帶 。
4、Teachers are supposed to treat all the students alike.老師應該對所有的學生一視同仁 。
5、用法：當be supposed to... 的主語是“物”時，它表示“本應；本該”，用于表示“某事本應該發生而沒有發生” 。
6、如：The new laws are supposed to prevent crime. 這些新法令本應該起到防止犯罪的作用 。
7、The train was supposed to arrive half an hour ago. 火車本應在半小時之前到達 。
8、用法三： be supposed to后面接“have + 過去分詞”時，表示“本應該做某事而沒做” 。
9、如：You are supposed to have handed in your homework by now.現在你應該已經把作業交上來了 。
10、He is supposed to have arrived an hour ago. 他應該一小時前就到了 。
11、用法四： be supposed to... 的否定結構為be not supposedto...,它常用于口語中，意為“不被許可；不應當” 。
12、如：She was not supposed to be angry about that. 她本不該為那件事而生氣的 。
13、You are not supposed to smoke on the bus. 你不應該在公共汽車上吸煙 。
【be supposed to be supposed to 后面加什么】本文到此分享完畢，希望對大家有所幫助 。