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BE Do

这两个词都可以做助动词,如果句子中的动词是实意动词,一般用do进行提问,或者变为否定句; 而be动词主要用于:系表结构;进行时;被动语态;there be 结构;跟其他动词结合构成某种结构。 do 是用于一般现在时的助动词,did 则是用于一般过去时...

be +动词不定式(即be + to do sth.)的用法如下:1.表示按计划或安排要做的事。例如:She is to be married next month.她将于下个月结婚。The Queen is to visit Japan in a week’s time.女王将于一周后访问日本。这种结构也可用于过去。was /...

助动词be的用法 1) be +现在分词,构成进行时态,例如: They are having a meeting. 他们正在开会。 English is becoming more and more important. 英语现在越来越重要。 2) be + 过去分词,构成被动语态,例如: The window was broken by T...

1)be to do: (1)表示事先商定、安排或准备要做的事情。如: The students are to meet at the school gate tomorrow. 明天学生们将在学校大门口集会。 2)表示可能性,必要、责任、义务、禁止等。如: Her necklace was not to(couldn't)be fou...

be to do表示将来要做的事, be doing表示一般情况.如: What I want is to lie down and have a good rest.我想的就是躺下睡会. What he does is feeding pigs.他的工作就是养猪.

be +动词不定式(即be + to do sth.)的用法如下: 1.表示按计划或安排要做的事。例如: When are you to leave for home?你什么时候回家? She is to be married next month.她将于下个月结婚。 The Queen is to visit Japan in a week’s time....

1. be going to do 将会... 一般用于将来时态 例句与用法: 1. I am assuming that the present situation is going to continue. 我认为目前的情况将会继续下去. 2. It's going to cost 200 or as near as dammit. 这要花200英镑上下. 3. How di...

be going to是一般将来时 be to do 英[bi: tu: du:] 美[bi tu du] [词典] 打算做; [例句]The long-range goal must be to do away with nuclear weapons altogether. 远期目标必须是将核武器尽数销毁。 两个时态相同。 一般将来时表示将来某一时...

be intended to do意思是打算做…,想要…,后面加动词。 intend to 意思是打算……,意图是……,后面加名词。 前者为主动,后者为被动。 例:I do not intend to shirk now that there is really something to fight for; I mean freedom. 我不打算...

1)be to do: (1)表示事先商定、安排或准备要做的事情。如: The students are to meet at the school gate tomorrow. 明天学生们将在学校大门口集会。 2)表示可能性,必要、责任、义务、禁止等。如: Her necklace was not to(couldn't)be fou...

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