2021_2022学年新教材高中英语Unit3FasterhigherstrongerUsinglanguage学案含解析外研版选择性必修第一册202106042192.doc
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1、UnitUnit 3 3Faster,Faster,higher,higher,strongerstrongerUsingUsing languagelanguage语法精讲深化学习动名词作主语(-ingas subject)非谓语动词用法思维导图观察上面对话并完成句子。1.LearningLearning toto paintpaint wellwell takes a long time.学好画画需要很长时间。2.DoingDoing exerciseexercise keeps us healthy.做运动使我们保持健康。3.SpeakingSpeaking andand listeni
2、nglistening are very important for language learning.说和听对语言学习非常重要。4.It is a waste of time discussingdiscussing suchsuch mattersmatters withwith himhim.和他讨论这些问题就是浪费时间。5.It is no good eatingeating tootoo muchmuch sweetsweet foodfood.吃太多的甜食没有好处。一、动名词的特点1.既有动词的特征,也有名词的特征;2.动名词由“动词原形+-ing”构成,其否定形式为“not+动
3、名词”;3.动名词在句中作主语、宾语、表语、定语等,但不能作谓语。二、动名词的时态语态类别时态形式语态形式主动被动v.-ing一般式doingbeing done完成式having donehaving been done三、动名词作主语的几种情况1.动名词作主语通常表示一般性、习惯性的动作,且谓语动词一般用单数。*SpendingSpending tootoo muchmuch timetime onon youryour computercomputer is harmful to your health.在电脑上花太多的时间对你的健康有害。*DoingDoing is better th
4、an wishing.干比空想好。*Many parents hold the view that expandingexpanding childrenchildrens s horizonshorizons is the major goalfor them,while improving language skills and experiencing independence are alsopopular.许多父母认为拓宽孩子的视野对他们来说是主要目标,而提高语言技能、体验独立性也很受欢迎。2.动名词作主语,且主语较长时,为了平衡句子结构,通常用 it 作形式主语。常见句式:*ItI
5、t isis a a wastewaste ofof timetime arguingarguing with him about such matters.跟他争论这样的事是浪费时间的。*ItIt isis nono goodgood eatingeating too much sweet food.吃太多的甜食没有好处。*ItIts s nono useuse doingdoing what you like;you have got to like what you do.不能爱哪行才干哪行,要干哪行爱哪行。3.动名词用于“There be”结构中。例如:*ThereThere isis
6、 nono sayingsaying when hell come.他什么时候来还很难说。*ThereThere isis nono tellingtelling what will happen.谁也不知道会发生什么事。4.动名词用于布告形式的省略结构中。例如:*No smoking.(禁止吸烟)*No parking.(禁止停车)*No talking.(禁止交谈)5.动名词的复合结构作主语。动名词的复合结构在句中作主语,当动名词有自己的逻辑主语时,常可以在前面加上一个名词所有格或形容词性物主代词,构成动名词的复合结构。例如:*TheirTheir comingcoming to help
7、 was a great encouragement to us.他们来帮忙对我们是莫大的鼓励。*StudentStudents s knowingknowing English well helps them in learning French.学生们学好英语对学习法语很有帮助。6.动名词的否定形式直接在动名词前面+not*NotNot makingmaking enough preparations in advance usually causes a lot of trouble.不提前做好准备会带来很多的问题。*NotNot beingbeing invitedinvited to
8、 his friends birthday party made him upset.没有被邀请参加朋友的生日聚会让他很难过。动名词作主语,如果主语只有一个动作时,谓语动词要用第三人称单数形式。*WashingWashing the car makesmakes him dirty.洗车使他浑身很脏。四、动名词与不定式作主语的异同点1.动名词和不定式作主语的相同点(1)不定式和动名词作主语时,常常是为了保持句子的平衡,用 it 来作形式主语。如:*ItIt isis notnot easyeasy toto learnlearn English well.学好英语不容易。*ItIt isis
9、nono useuse askingasking him for help.求他帮忙也没用。(2)如果主语用了不定式,表语和宾语也要用不定式;如果主语用了动名词,表语和宾语也要用动名词,这在英语中称为对称性,如:*ToTo seesee isis toto believe.believe./SeeingSeeing isis believing.believing.眼见为实。*It is better toto staystay atat homehome than toto gogo out.out.待在家里比出去更好。2.动名词和不定式作主语的不同点(1)不定式作主语往往表示具体的某一动作
10、;表示泛指一般的抽象的概念时,多用动名词,如:*WalkingWalking is a good form of exercise for both young and old.无论对于年轻人还是老年人,散步都不失为一种好的运动方式。*ToTo finishfinish thethe workwork in a week is impossible.在一周之内完成这项任务是不可能的。(2)在 there/it is no use/good/help/.的句式中常用动名词作主语,而少用不定式。如:*It/ThereIt/There isis nono useuse cryingcrying ov
11、er the spilt milk.覆水难收。*It/ThereIt/There isis nono helphelp takingtaking this medicine.吃这种药没用。但如果该句型中用了 for 引出不定式的逻辑主语,就只能用不定式,如:*ThereThere isis nono goodgood forfor usus toto dodo that exercise.做那个练习对我们没什么好处。(3)不定式可以和 when,how,where,what,whether 等连用,在句中作主语、宾语和表语,而动名词则不能。*HowHow toto solvesolve the
12、 problem is a hot potato.如何解决这个问题是很棘手的事。*WhereWhere toto putput the box seems hard to decide.把箱子放在哪里好像很难决定。*WhetherWhether toto dodo it hasnt been decided.要不要做这件事还没决定呢。*WhatWhat toto dodo next is up to you.接下来要做什么取决于你。语法填空。(1)GoingGoing(go)to Hangzhou by train takes about 10 hours from here.(2)It is
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