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课件网) “疑问词+不定式”结构 初中英语语法课件 “疑问词+不定式”结构 what who(m) which when where how to Who(m), what, which 等疑问代词和 when, where, how等疑问副词放在不定式前，便构成了“疑问词+不定式”结构。 “疑问词+不定式”结构 01 02 03 04 05 “疑问词+不定式”相当于一个名词 主语 表语 宾语 宾语 补足语 同位语 what to eat？ when to start？ where to go？ with whom to go？ 1. When to start has not been decided. 何时动身尚未决定。 2. What to read is an important question. 该读些什么是一个很重要的问题。 3. What to do was the matter to be decided first of all. 该做什么是首先得决定的事。 “疑问词+不定式”短语做主语 1. The question is what to do next. 问题是下一步怎么办。 2. What I want to know is whom to invite. 我想知道的是该邀请谁。 3. The question is who to turn to. 问题是该向谁求助。 “ 疑问词+不定式”短语做表语 “疑问词+不定式”短语做宾语 A.“疑问词+不定式”短语做动词宾语。可以后接“疑问词+不定式”短语作宾语的动词 consider, decide,forget, know, remember, see, understand, wonder 2. Did you find out when to pay 你打听到什么时候付钱了吗 3.The teacher is telling the students what to do. 老师正在告诉同学们做什么。 1. I don’t know which car to choose. 我不知道选哪辆车。 “疑问词+不定式”短语做宾语 “疑问词+不定式”短语做宾语 B.“疑问词+不定式”短语接在be+形容词结构后，在概念上接近宾语， 可以后接这种结构的形容词有sure， certain等。 2. The teacher was not certain (didn’t know for certain) where to put the piano.老师不知道该把钢琴放在哪儿。 1. We are not sure (don’t know for sure) whether to put off the gathering party.我们不知道是否该推迟这次聚会。 “疑问词+不定式”短语做宾语 1. I asked him how to learn English. 我问他如何学习英语。 2. Can you tell me where to go for our holidays 请问我们假期到哪儿 3. Show me what to do. 告诉我们应该做什么 “疑问词+不定式”短语做宾语补足语 可后接 ask, advise, show, tell 2. The question how to rescue the victims of the natural calamity requires consideration. 如何营救灾民，这个问题需要考虑。 1. We had no idea how to divide the fortune among the brothers. 我们不知道该如何把财富分配给兄弟们。 “疑问词+不定式”短语做同位语 TIPS “疑问词+不定式”短语常含有情态含义： should， 它相当于一个带should的从句。 “疑问词+不定式”短语做同位语 I can’t decide which sweater to buy. (I can’t decide which sweater I should buy.) 我决定不了该买哪件毛衣。 “疑问词+不定式”短语做同位语 I don’t know what to say. (I don’t know what I should say.) 我不知道该说什么。 “疑问词+不定式”短语做同位语 TIPS why 后面可以接不带 to 不定式的本质是句中隐含的成分被省略了 “疑问词+不定式”短语做同位语 Why study when you already learn it by heart 既然你已经学会了，为什么还要学习呢？ 解析：完整的句子可能是 Why should you study when you already learn it heart TIPS Why watch TV when we could play outside 既然我们可以在外面玩，为什么还要看电视？ 解析：完整的句子可能是 Why would we watch TV when we could play outside TIPS 1. Mr. Wu advised us _____ to choose in this shop. A. which B. from which C. wh ... ...
