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在英语中,如何知道什么时候用什么非谓语动词

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/23 15:15:49
在英语中,如何知道什么时候用什么非谓语动词
一个句子有且只有一个谓语动词,因此在句中充当除谓语以外的句子成分的动词形式叫做非谓语动词.非谓语动词分为三种形式:不定式、动名词和分词(分词包括现在分词和过去分词).大体来说作状语的情况:主动doing,被动done,表目的to do;作宾语(包括介宾)主动doing,被动done,未做to do;having done表示非谓语动作先于谓语动词发生
Prices of daily goods ______ through a computer can be lower than store prices.
A are bought B bought C been bought D buying.
答案:B
When I got back home I saw a message pinned to the door ______ “Sorry to miss you; will call later.”
A read B reads C to read D reading
答案:D
The problems _ at the meeting
tomorrow are really hard to solve.
A.discussed B.to discuss
C.to be discussed D.discussing
答案:C