Unit 1 Living well Answer keys for Ex.1 on Page 4:Answer keys for Ex.1 on Page 4:NounNounAdjectiveAdjectiveAmbitiousAmbitiousAbsentAbsentsuitabilitysuitabilityBenefitBenefitannoyanceannoyanceambitionambitionabsenceabsencesuitablesuitablebeneficialbeneficialannoyed/annoyingannoyed/annoyingDiscovering useful words and expressionsDiscovering useful words and expressionsNounNounAdjectiveAdjectiveClumsinessClumsinessFirmnessFirmnessNoiseNoisepsychologypsychologyencouragingencouragingclumsyclumsyfirmfirmnoisynoisypsychologicalpsychologicalencouragementencouragementAnswer keys for Ex.2 on Page 4:Answer keys for Ex.2 on Page 4:1. 1. laplap 2. 2. annoyedannoyed 3. 3. dictationdictation 4. 4. entryentry 5. 5. microscopemicroscope 6. 6. outgoingoutgoing 7. 7. fellowfellow 8. 8. conductconductAnswer keys for Ex.3 on Page 4:Answer keys for Ex.3 on Page 4:1. 1. in many waysin many ways 2. 2. sit aroundsit around 3. 3. made fun ofmade fun of 4. 4. adapt toadapt to 5. 5. out of breathout of breath 6. 6. All in allAll in all 7. 7. cutting outcutting out 8. 8. in other wordsin other words不定式是动词的一种非限定形式不定式是动词的一种非限定形式, ,由由 “ “ to+to+动动 词原形词原形” ” 构成构成, ,没有人称和数的变化没有人称和数的变化, ,在句中在句中 不能独立作谓语不能独立作谓语. .但不定式具有名词、形容但不定式具有名词、形容词和副词的特征，在句中可以作词和副词的特征，在句中可以作主语主语、宾语宾语 、宾语补足语宾语补足语、表语表语、定语定语、状语状语等。等。复习不定式（复习不定式（Revise the InfinitiveRevise the Infinitive）1. It is good 1. It is good to helpto help others. others. 2. It is my ambition 2. It is my ambition to maketo make sure that the sure that the disabled people in our neighborhood disabled people in our neighborhood have access to all public buildings. have access to all public buildings. 3. My ambition is 3. My ambition is to workto work in the computer in the computer industry when I grow up.industry when I grow up. 辨别下面不定式在句子中充当的成分辨别下面不定式在句子中充当的成分: :(subject)(subject)(subject)(subject)(predicative)(predicative)4. I dont have time 4. I dont have time to sitto sit around feeling around feeling sorry for myself. sorry for myself. 5. I am the only student in my class 5. I am the only student in my class toto havehave a pet snake. a pet snake. 6. A big company has decided 6. A big company has decided to buyto buy it it from me. from me. 7. My fellow students have begun 7. My fellow students have begun to acceptto accept me for who I am.me for who I am. (attribute)(attribute)(attribute)(attribute)(object)(object)(object)(object)8. I have had to work hard 8. I have had to work hard to liveto live a a normal life. normal life. 9. Some days I am too tired 9. Some days I am too tired to getto get out of out of bed.bed.10. We must call on local government 10. We must call on local government toto givegive financial assistance to disabled financial assistance to disabled people.people. (adverbial)(adverbial)(adverbial)(adverbial)(object complement)(object complement)不定式在句中的功能不定式在句中的功能(1)(1)做主语做主语: :那样做是很幼稚的那样做是很幼稚的. .To act like that is childish. To act like that is childish. 为避免句子出现为避免句子出现 “ “头重脚轻头重脚轻” ”现象现象, ,常用常用it it做形式做形式 主语主语, ,将真正主语的不定式后置将真正主语的不定式后置. .要学好英语不是那么容易的。要学好英语不是那么容易的。Ex. It is not easy to learn English well.Ex. It is not easy to learn English well.(2) (2) 做宾语做宾语她喜欢谈论这件事情。她喜欢谈论这件事情。 Ex. She loves to talk about the matter.Ex. She loves to talk about the matter. 他希望不久能找到工作他希望不久能找到工作. .He hopes to find a job soon.He hopes to find a job soon.常接不定式做宾语的动词有：常接不定式做宾语的动词有：afford, agree, afford, agree, aim, arrange, ask, attempt, begin, bother, aim, arrange, ask, attempt, begin, bother, care, choose, continue, dare, decide, care, choose, continue, dare, decide, demand, expect, fail, hate, hope, learn, long, demand, expect, fail, hate, hope, learn, long, manage, mean, need, offer, plan, prefer, manage, mean, need, offer, plan, prefer, prepare, promise, prove, refuse, want, prepare, promise, prove, refuse, want, wish wish 等等.不定式有时和连接代不定式有时和连接代/ /副词一起构成宾语副词一起构成宾语. . Ex. Do you remember which way to get there?Ex. Do you remember which way to get there? 下一步干什么你决定了吗下一步干什么你决定了吗? ? Have you decided what to do next?Have you decided what to do next? 我来问他怎么样开这机器我来问他怎么样开这机器. . Ill ask him how to operate the machine.Ill ask him how to operate the machine. 有时不定式由有时不定式由whetherwhether引起引起. . I didnt know whether to laugh or cry about it.I didnt know whether to laugh or cry about it.feel, find, judge, make, think, believe, feel, find, judge, make, think, believe, consider consider 等动词后如果是不定式做宾语等动词后如果是不定式做宾语, ,补语是补语是 形容词形容词( (间或是名词间或是名词), ),常用常用it it作形式宾语作形式宾语, ,把不定把不定 式后移式后移. .Ex. I find it difficult to work with him.Ex. I find it difficult to work with him.3. 3.做宾语补足语做宾语补足语: : 常带常带toto的不定式做宾语补足语的动词有的不定式做宾语补足语的动词有: ask, : ask, beg, prefer, help, promise, wish, want, expect, beg, prefer, help, promise, wish, want, expect, permit, request, allow, command, tell ,invite, permit, request, allow, command, tell ,invite, cause, encourage, warn, advise, persuade, force, cause, encourage, warn, advise, persuade, force, order, remind, teach, order,