they are coming _____ us tomorrow A help B helps C to help D

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they are coming _____ us tomorrow A help B helps C to help D will help 要解析
are coming不是现在进行是吗
为什么后面还有tomorrow

C.这是个简单句,已经有谓语动词 are了,所以,不能再有动词,或者说,动词需要有所改变.变成-ING 的动名词形式,或者TO DO的不定式形式等.因此A,B,D 都不对.
C是不定式的非谓语动词.
或者,你可以记.come to do sth.
这里的be doing 是将来时态.所以,tomorrow 是用来说明将来的具体的时间的.
再问： come to do sth里谁是动词
再答：比如 i come to help you, 这句。come 是谓语动词。
再问： they are coming _____ us tomorrow 呢？
再答：这里 are coming 一起构成谓语动词。我前面说的“有谓语动词 are“ 有点不准确。>< 或许你可以这样想。 they come. 是最原始的的状态。他们来。谓语动词时come 当我想要表达，他们是明天来。就多了 tomorrow。并且动词要随著时间的变化而变化因此有了。they are coming tomorrow.. are coming 一起充当谓语（其实就是动词come 变化的结果）再接著，我想要说明他们过来的目的，是来帮我们的。因此就有了现在这句 they are coming to help us tomorrow。谓语动词依然是 are coming 不过，这麼想，会很复杂啦。你记住 come to do。这个短语是来做某事，就差不多了。

they are coming _____ us tomorrow A help B helps C to help D 1.Thank you for D us.A.helps B.to help C.help D.helping They decided________you.A.help B.to help C.helping D.helps they are very _____(help)to us. Thank you for ().a:to help .b:helps .c:your help.d:help 44.Many a man _____ come to help us.A.have B.has C.is D.are Look!They are coming ( ) to us.A:on B:over C;down D in I want some ( ) A:help B:helps C:helping D:to help --Let me __ you.--Thanks.A to help B helping C help D helps I want some——.A.help B.helps C.helping D.to help Thanks for ( )A to help B helping C your help D helps 单项选择 I want ____him.A.to help B.help C.helping D.helps