how/wh- +to do 练习题
动词不定式能够与疑问词连用,包含疑问代词who, what, which 和疑问副词how, when, where 等。这个结构含有名词性质,在句子中能够做主语、宾语、表语或同位语等成份
Where to hold the meeting is a question. (做主语)在哪儿举行会议是个问题。I don’t know what to write about. (作宾语)我不知道写什么内容。Bill wrote two books on how to do sports. (作介词宾语)比尔写了两本关于怎样做运动书。The problem is when to start. (作表语)问题是何时动身。


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