wh- 不定式结构-2025-2026学年九年级英语下册语法考点精讲（仁爱版）

9年级仁爱版 【寒假专版】B版考点精讲 寒假专版 wh-+不定式结构 语法专项突破 考点精讲 考点一：wh-疑问词与不定式的搭配及基本结构 规则：常见的wh-疑问词(what,which,how,where,when等)后可接不定式(to+动词原形)，构 成”wh-+不定式”结构，在句中可作主语、宾语、表语等。 例题1：（选择，仁爱版七下期末模拟题）：Idon't know_next.A.what to do B.what do C.how to doD.how do(答案：A) 例题2：（填空，仁爱版八上期末真题改编）：Can you tell me_(get)to the park?(答案：how to get) 考点二：”w-+不定式”结构作宾语的用法 规则：”wh-+不定式”结构常作动词（如know,decide,lean,forget等）或介词的宾语，表示具体 的动作或方式等。 例题l:(语法填空，仁爱版七下期末真题)：He is thinking about_(where,.go)for vacation.(答 案：where to go) 例题2： 考点三：”wh-+不定式”结构中动词的形式 规则：”wh-+不定式”结构中的不定式必须用动词原形，且不能带宾语的wh-疑问词（如how, where,when)后接的不定式可根据语境补充相应的动词。 例题1：（选择，仁爱版八上期末模拟题）：She can't decide_thered dress or the blue one.A.choose which B.which to choose C.to choose which D.which choose(答案：B) 例题2： 考点四：”wh-+不定式”结构作主语的用法 规则：”wh-+不定式”结构作主语时，谓语动词常用单数形式。 例题1：（语法填空，仁爱版八下期末模拟题）：_how,solve)this problem is very important.(答 案：How to solve) 9年级仁爱版 【寒假专版】B版考点精讲 例题2： 考点综合训练 一、 单项选择 1.She hasn't decidedto the party tomorrow. A.when go B.when to go C.when going D.when goes 2.Please tell methe math problem. A.how solve B.how to solve C.how solving D.how solves 3.the meeting is not difficult for him A.When to start B.When start C.When starting D.When starts 4.I don't know_gift to choose for my mother A.which B.which to C.which to choose D.choose which 5.Could you explain this machine? A.how use B.how to use C.how using D.how uses 二、语法填空 1.He forgot(where,meet)his friend yesterday. 2.(what,do)next is still a question 3.They are discussing(which,buy)for the school trip. 4.She asked me_(how,get)to the nearest hospital 5.(when,leave)for Beijing has not been decided yet. 三、句型转换 l.We should decide the time to start the project..(改为含“wh-+不定式”的句子) We should decidethe project. 2.low can we finish the work quickly?(改为含“wh-+不定式”作主语的句子) the work quickly is important 3.Idon’t know the way to the museum.(改为含“wh-+不定式”的句子) I don'tknow_ to the museum 4.Which book should I read first?(改为含“wh-+不定式”的句子) I don'tknow. first. 2 9年级仁爱版 【寒假专版】 B版考点精讲 四、篇章填空 Tom is planning a trip,but he has many questions.He wants to know 1.(where,visit)first-Beijing or Shanghai.His friend Lily suggested 2.(how,book)tickets online to save time.Tom also needs to learn 3.(what,pack)for the trip,because he doesn't want to take too many things.Finally,he asked his parents 4.-(when,leave)the city,but they said he should decide 5.-(which,day)is best for him. 参考答案 一、单项选择 1.B2.B3.A4.C5.B 二、语法填空 1.where to meet 2.What to do 3.which to buy 4.how to get 5.When to leave 三、句型转换 1.when to start 2.How to finish 3.how to get 4.which to read 四、篇章填空 1.where to visit 2.how to book 3.what to pack 4.when to leave 5.which day