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1112010级_班_组 层次_姓名_Unit 10 Money（7）Grammar: 动词不定式的用法A tip: Allthingsaredifficultbeforetheyareeasy. 凡事总是由难而易。Learning aim：掌握不定式的用法 (B) Learning important points：分清不定式在句子中所充当的成分(B) Learning difficult points：练习使用不定式(C)Learning steps：Step1.语法解析（B级）一.构成：动词不定式由to +动词原形构成,有时可省略to（动词不定式做see,look,watch, feel ,notice等感官动词以及have,let,make等使役动词后的宾语补足语时，to要省略）二.时态语态：主动形式被动形式一般式（not）to do(not) to be done完成式（not）to have done（not） to have been done进行式（not）to be doing 无三.不定式的语法功能：动词不定式是一种非谓语动词，不能充当谓语但仍具有动词的特性，可以有时态、语态的变化，也可以在句中可充当_ _ _ _ _ _等1.作主语动词不定式作主语既可位于句首，也可以用_做形式主语。例如：To learn a skill is very important for everyone in society.翻译：_It is necessary for young students to learn a foreign language.翻译：_2.作表语 动词不定式作表语常用于以下结构：My wish/ job/ aim/ goal is及The next step/ measure is 等。例如：Your job is to type the papers in the office.翻译：_The next measure is to stop the river from being polluted.To see is to believe. 【翻译】_3.作宾语常见的只能使用动词不定式作宾语的动词有：agree, choose, decide, hope, fail, wish, refuse, expect, manage, plan, intend, pretend, promise, offer, afford, demand, arrange等。 例如：They decided_between these two cities. 他们决定在两座城市之间建一条高速路。I expect_ tomorrow.我期待明天见到你。believe, think, consider, feel, make等动词可用于“动词+ it +adj. / n+to do sth.”句型，其中使用it作形式宾语，而将真正的宾语动词不定式置于句末。例如：I think it necessary for us to have a good rest after the long work.翻译：_口诀（接不定式作宾语的动词）想要学习 早打算（ want learn plan）快准备 有希望（ prepare hope wish expect） 同意否 供选择（agree offer choose）决定了 已答应（decide be determined promise）尽力去 着手做（manage undertake）别拒绝 别假装（refuse pretend）失败不是属于你（fail）4.作宾补The teacher asked Mother to take him home.翻译：_She found him to be a very good pupil.翻译：_注意：feel, think, understand, suppose, know, imagine,find, believe, consider后的宾语补足语常是to be的形式She found him to be a very good pupil.翻译：_She believes him (to be) honest。翻译：_5.作定语动词不定式作定语，应位于所修饰词语之_，即：做_。例如：Have you got anything to eat? (to eat修饰_，位于其后)下列名词后常接动词不定式作定语：ability, attempt, chance, courage, decision, effort, failure, promise, way, wish等。例如：由only, first, last, next以及序数词或形容词最高级修饰的名词后，也常接不定式作定语。例如：Who was the last one to leave the classroom last night?【翻译】他总是第一个来，最后一个走。_6.作状语 动词不定式作状语，可表示目的、原因、结果或条件。例如：We went there to see our grandparents.（表_ ）I am very sorry to hear that.（表_ ）She hurried home only to find her father dead.（表_ ）作目的状语，还可以使用in order to或so as to。(区别in order to和so as to_) 小结与反思Unit 10 Money（7）Lesson 2动词不定式的用法 当堂检测卡班级： 姓名： 层次： 评价：一.划线部分在句中做什么成分（A级）( )1.She came here to study English.( )2.To do that sort of thing is foolish。( )3.All you have to do is to finish it quickly( )4.I warned the patient not to eat cold water after the operation.( )5.We found a house to live in.( )6.I want to see you this evening.A.主语 B.表语 C.宾语 D.宾补 E.定语 F.状语二、细节小试（B级）A.不定式的否定形式not to do练一练请将以下肯定句变为否定句1.He decided to go home 2.I told him to do that again. B.单项选择1.The boy wanted to ride his bicycle in the street, but his mother told him _. A. not to B. not to do C. not do it D. do not to2.The teacher asked us_so much noise.A.dont make B. not makeC. not making D. not to make四、翻译 （C级）1、The boy worked so hard in order to make up for the lost time.翻译：_2、She felt it her duty to help the old woman.翻译：_3、But she gave up the chance to go abroad.翻译：_111
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