1、五、五、连词连词复习要点复习要点1.知识概要知识概要2.连词一览表连词一览表3.常用并列连词的用法常用并列连词的用法1）and 2）bothand 3）not onlybut also 4）as well as 5）nor 6）but 7）however,still,yet 8）while 9）or 10）either or/neither nor 11）so 12）then 13）for4.常用从属连词的用法常用从属连词的用法1）that 2）when,while,as 3）after/before 4）since 5）till/until 6）as soon as 7）because/si
2、nce/as 8）so/such that 9）if10）unless=if not 11）though/although 12）asas/than 14）as13）whether/if 14）so/such that3.常用近义连词的用法辨析常用近义连词的用法辨析（1）while,when,as（2）as,because,since,for（3）if,whether（4）sothat,such.that （5）eitheror,neithernor,not onlybut also（6）although,but （7）because,so4.正误辨析正误辨析5.例题解析例题解析6.课时训练课
3、时训练知识概要知识概要 用来连接词、短语、从句或句子的词叫连词。连词是一种虚词，在句中不用来连接词、短语、从句或句子的词叫连词。连词是一种虚词，在句中不能单独使用。连词可分为两类：并列连词和从属连词。能单独使用。连词可分为两类：并列连词和从属连词。连词一览表连词一览表作作 用用主主 要要 连连 词词并并列列连连词词表并列关系表并列关系and,bothand,not onlybut also,neithernor等等表选择关系表选择关系or,eitheror等等表转折关系表转折关系but,however,while(而而)，only(只不过只不过)等等表因果关系表因果关系for,so，there
4、fore(因此因此)，then（那么）等（那么）等从从属属连连词词引导时间状语引导时间状语从句从句after,before,when,while,as,until,till,since,as soon as等。等。引导条件状语引导条件状语从句从句if,unless等等引导原因状语引导原因状语从句从句because,as,since等等难点链接难点链接1.1.常用并列连词的用法常用并列连词的用法1 1）andand连接语法作用相同的部分连接语法作用相同的部分.如：如：Let me know what you saw and heard in Let me know what you saw an
5、d heard in Europe.Europe.如果连接的两个名词是指同一个人而有两种身份时如果连接的两个名词是指同一个人而有两种身份时,第二个名词前不要加冠词或所有格第二个名词前不要加冠词或所有格.如：如：Her husband is a singer and songwriter.Her husband is a singer and songwriter.祈使句祈使句+and+and代替条件句代替条件句.如：如：Work hard and you will pass the examination.Work hard and you will pass the examination.
6、由由andand连接两个主语时谓语动词要用复数形式。如：连接两个主语时谓语动词要用复数形式。如：You and I are from ChinaYou and I are from China.但是，但是，and and前面的主语之前有前面的主语之前有every,each,no,many aevery,each,no,many a的时候用单数谓语动词的时候用单数谓语动词.如：如：Every train and bus was crowded with many people.Every train and bus was crowded with many people.2 2）both+bo
7、th+主语主语+and+and+主语主语+“复数谓语动词复数谓语动词”。如：。如：Both Tom and Jerry are going to the cinema.Both Tom and Jerry are going to the cinema.3 3）not onlybut alsonot onlybut also如如果连接两个主语果连接两个主语,谓语动词临近原则谓语动词临近原则.如：如：Not only he but also his parents are very kind to me.Not only he but also his parents are very kind
8、 to me.4 4）as well asas well as后面后面的主语不作为成分的主语不作为成分.如：如：This study,as well as many other reports,shows that cancer can be cured.This study,as well as many other reports,shows that cancer can be cured.后面如果接动词后面如果接动词一定要一定要用动名词用动名词.如：如：She sings as well as playing the piano.She sings as well as playing
9、 the piano.5)nor 5)nor是否是否定连接词定连接词,后面接的句子应倒装后面接的句子应倒装.如：如：I dont know,nor do I care.I dont know,nor do I care.6 6）butbut用来用来表示转折表示转折,如：如：He tried hard but he was unsuccessful.He tried hard but he was unsuccessful.还可以用在还可以用在no one,none,nobody,nothing,all,everyno one,none,nobody,nothing,all,every等词之后表
10、示等词之后表示”除了除了以外以外”。如：如：All the boys but one are here.All the boys but one are here.难点链接难点链接7 7）however,still,yet,however,still,yet,含意相同相当于含意相同相当于”butanyway”.butanyway”.如：如：The car was old,yet it was in excellent condition.The car was old,yet it was in excellent condition.She has her weaknesses,yet(bu
11、t)that doesnt mean she is not good for the job.She has her weaknesses,yet(but)that doesnt mean she is not good for the job.He lied to me,I still believe him.He lied to me,I still believe him.8)while8)while表示的是表示的是”相反的相反的”,也可以用也可以用but,however,on the other handbut,however,on the other hand来代替来代替.While
12、 some people have nothing to eat,others eat too much.While some people have nothing to eat,others eat too much.9)or9)or连接句子或词组连接句子或词组,表示表示 “或者或者”之意。之意。Which do you prefer,yellow,blue or red?Which do you prefer,yellow,blue or red?Was he angry,or was he pretending?Was he angry,or was he pretending?or,
13、or,也有也有“否则否则”的意思的意思.如：如：Be quick,or you will be late.Be quick,or you will be late.10)either or/neither nor10)either or/neither nor和和not onlybut alsonot onlybut also并列主语时，谓语动词同样用就并列主语时，谓语动词同样用就近原则近原则.Either Mary or her parents are going by bus.Either Mary or her parents are going by bus.There is neit
14、her electricity nor free suppers in the hotel.There is neither electricity nor free suppers in the hotel.Not only you but also I am from china.Not only you but also I am from china.1111）soso表示因此表示因此,相当相当于于therefore.therefore.（adv.adv.）如：如：They cost a lot of money,so use They cost a lot of money,so u
15、se them carefully.It is very cold.Therefore,we should stay here.them carefully.It is very cold.Therefore,we should stay here.1212）then then（advadv）然然后，而后，其次后，而后，其次 如：如：I dropped in at her house and then I I dropped in at her house and then I went home.went home.1313）forfor引导的句子不可以放在句首，之前必须由逗号，表示推论的理
16、由引导的句子不可以放在句首，之前必须由逗号，表示推论的理由 They must be good friends,for they are always together.They must be good friends,for they are always together.The day breaks,for the birds are singing.The day breaks,for the birds are singing.难点链接难点链接2.2.常用从属连词的用法常用从属连词的用法1 1）thatthat引导名词性从句引导名词性从句(主语主语/宾语宾语/表语从句表语从句),)
17、,同位语从句，定语从句同位语从句，定语从句,如：如：That smoking can cause cancer is known to all.That smoking can cause cancer is known to all.I was surprised to hear that he became the president.I was surprised to hear that he became the president.2 2）when,while,as when,while,as when when 在在-时刻或时期，可指时间点或时间段，从句动词是终止或持续动词。时刻
18、或时期，可指时间点或时间段，从句动词是终止或持续动词。When I got home,he was having supper.When I was young,I liked When I got home,he was having supper.When I was young,I liked dancing.dancing.as as 表示表示“边边-边边-”-”或或“与与-同时同时”表示动作同时发生伴随进行。动词相似表示动作同时发生伴随进行。动词相似,如如终止性动词为从句，则主句也为终止性动词。终止性动词为从句，则主句也为终止性动词。They talked as they walke
19、d.They talked as they walked.whilewhile表示只是表示只是时间段，不是时间点，从句的动词只限于持续动词。时间段，不是时间点，从句的动词只限于持续动词。While I While I slept,a thief broke in.slept,a thief broke in.when when 可以表示主可以表示主句和从句先后发生句和从句先后发生.When he has finished his work,he When he has finished his work,he takes a short rest.takes a short rest.when
20、 when 从句从句为终为终止动词不能用止动词不能用while while 替换替换WhenWhen。he came yesterday,we he came yesterday,we were playing basketball.were playing basketball.如从句动如从句动词为终词为终止性动词，主句也是终止性动词止性动词，主句也是终止性动词 when when 和和as as 可以互换。可以互换。He came just as I reached the door.He came just as I reached the door.难点链接难点链接3 3）after/
21、before after/before After her husband died she had to take everything on herself.After her husband died she had to take everything on herself.Take the medicine before you go to bed.Take the medicine before you go to bed.4 4）since since引导的从句是肯定句引导的从句是肯定句,一般主句都是完成时一般主句都是完成时.She has had another baby si
22、nce we met.She has had another baby since we met.5 5）till/until till/until 其中其中untiluntil较为常用较为常用,till,till是口语是口语.Until you told me,I had heard nothing of what happened.I wont go Until you told me,I had heard nothing of what happened.I wont go until he comes.until he comes.6 6）as soon as as soon as
23、Ill tell him the news as soon as I see him.Ill tell him the news as soon as I see him.7 7）because/since/asbecause/since/as表示直接原因的时候不能用表示直接原因的时候不能用sincesince或或as.as.其他情况可以用其他情况可以用sincesince既然既然，asas 由于（语气弱）。由于（语气弱）。It was because he was ill that he didnt go to school.It was because he was ill that he
24、 didnt go to school.8 8）so/such thatso/such that 结果状语从句结果状语从句(程度程度)She was so moved that tears came to her eyes.She was so moved that tears came to her eyes.They took such care of her that not long after she was restored to health.They took such care of her that not long after she was restored to he
25、alth.难点链接难点链接9 9）if(if(假如假如,如果如果)不能用不能用whether.whether.If you call him a fatty,he will get angry.If you call him a fatty,he will get angry.1010）unless=if not unless=if not You can not interview him unless you get the You can not interview him unless you get the permission.permission.1111）though/alth
26、oughthough/although都作为都作为”虽然虽然,尽管尽管”可以互换可以互换,although,although用的更多一些用的更多一些.后面不可以有后面不可以有butbut但可以有但可以有yet/still.yet/still.Although he is much better,yet his father isnt satisfied.Although he is much better,yet his father isnt satisfied.1212）asas/thanasas/than（用于比较状语从句中）用于比较状语从句中）1414）as as可以引导状语从句可以引
27、导状语从句As I remember,he used to work here ten years ago.As I remember,he used to work here ten years ago.As I see it,there is still much room for improvement in our work.As I see it,there is still much room for improvement in our work.1313）whether/if(whether/if(是否是否)if)if 能引导宾语语从句能引导宾语语从句Please tell m
28、e whether it is true or not.Please tell me whether it is true or not.I havent decided whether/if Ill go with you.I havent decided whether/if Ill go with you.在介词后在介词后,名词后名词后,不定式前和有不定式前和有or notor not的句子中用的句子中用whether.whether.I am worried about whether she is happy.I am worried about whether she is hap
29、py.1414）so/such that so/such that（结果状语从句目的状语从句）结果状语从句目的状语从句）,in order to/that,in order to/that目的目的状语从句状语从句 They set out early so that they might arrive in time.They set out early so that they might arrive in time.目的状语从句目的状语从句 Say Say slowly so that I can understand it.It was raining,so that we could
30、 not go slowly so that I can understand it.It was raining,so that we could not go out.out.结果状语从句（原因）结果状语从句（原因）难点链接难点链接3.3.常用近义连词的用法辨析常用近义连词的用法辨析（1 1）while,when,as while,when,as这三个连词都可引导时间状语从句，但用法有所不同。这三个连词都可引导时间状语从句，但用法有所不同。1)1)当某事正在进行的时候，又发生了另一件事。当某事正在进行的时候，又发生了另一件事。While,when,as While,when,as 都可用来
31、引都可用来引导表示导表示“背景背景”的时间状语从句。例如：的时间状语从句。例如：As/When/While I was walking down the street I noticed a police car.As/When/While I was walking down the street I noticed a police car.2)2)当两个长动作同时进行的时候，最常用的是当两个长动作同时进行的时候，最常用的是whilewhile。例如：。例如：While mother was cooking lunch,I was doing my homework.While mothe
32、r was cooking lunch,I was doing my homework.3)3)当两个动作都表示发展变化的情况时，最常用的是当两个动作都表示发展变化的情况时，最常用的是asas。例如：。例如：As children get older,they become more and more interested in things As children get older,they become more and more interested in things around them.around them.4)4)当两个短动作当两个短动作同时发生时，或表示同时发生时，或表示
33、“一边一边一边一边”时，最常用时，最常用asas。例如：。例如：Just as he caught the fly,he gave a loud cry.Just as he caught the fly,he gave a loud cry.She looked behind from time to time as she went.She looked behind from time to time as she went.5)5)当从当从句的动作句的动作先于主句的动作时，通常用先于主句的动作时，通常用whenwhen。例如：。例如：When he finished his work,
34、he took a short rest.When he finished his work,he took a short rest.6)6)当从句是当从句是瞬间瞬间动作，主句是延续性动作时，通常用动作，主句是延续性动作时，通常用whenwhen。例如：。例如：When John arrived I was cooking lunch.When John arrived I was cooking lunch.（2 2）as,because,since,foras,because,since,for这四个词都可表原因，但用法有区别。这四个词都可表原因，但用法有区别。1)1)如果原因构成句子的
35、最主要部分，一般用如果原因构成句子的最主要部分，一般用becausebecause。因此，。因此，becausebecause引导的从句往往放在句末。例如：引导的从句往往放在句末。例如：I stayed at home because it rained.I stayed at home because it rained.-Why arent you going?-Why arent you going?-Because I dont want to.-Because I dont want to.2)2)如果原因已被人们所知，或不如句子的其它部分重要，就用如果原因已被人们所知，或不如句子的
36、其它部分重要，就用asas或或sincesince。SinceSince比比asas稍微正式一点。稍微正式一点。AsAs和和since since 引导的从句一引导的从句一般放在般放在句子的开头句子的开头。例如：。例如：As he wasnt ready,we left without him.As he wasnt ready,we left without him.Since I have no money,I cant buy any food.Since I have no money,I cant buy any food.3)for3)for用用来补来补充说明一种理由，因此，充说明
37、一种理由，因此，forfor引导的从句几乎可以放引导的从句几乎可以放在括号里。在括号里。ForFor引导的句子不放在句子的开头。例如：引导的句子不放在句子的开头。例如：I decided to stop and have lunchI decided to stop and have lunch，for I was feeling quite for I was feeling quite hungry.hungry.难点链接难点链接难点链接难点链接（3 3）if,whetherif,whetherif if和和whetherwhether都可作都可作“是否是否”讲，在引导宾与从句是一般可互换
38、。例如：讲，在引导宾与从句是一般可互换。例如：I wonder whether(if)you still study in that school.I wonder whether(if)you still study in that school.I dont know whether(if)he likes that film.I dont know whether(if)he likes that film.在下列情况下，只能用在下列情况下，只能用whether,whether,不能用不能用if if：1)1)在不定式前。例如：在不定式前。例如：I havent made up my m
39、ind whether to go there or not.I havent made up my mind whether to go there or not.2 2）用）用oror并列两项以上时。例如：并列两项以上时。例如：I dont now whether he comes or not.I dont now whether he comes or not.（4 4）sothat,such.thatsothat,such.that1)1)sothatsothat中的中的soso是个副词，其后只能跟形容词或副词，而是个副词，其后只能跟形容词或副词，而such.thatsuch.tha
40、t中的中的suchsuch是个形容词是个形容词，后接名词或名词短语。例如：，后接名词或名词短语。例如：Im so tired that I cant walk any farther.Im so tired that I cant walk any farther.It was such a warm day that he went swimming.It was such a warm day that he went swimming.2)2)如果在如果在名词之前名词之前有有many,much,little,fewmany,much,little,few时，用时，用so,so,不用不用s
41、uchsuch。例如：。例如：He has so little education that he is unable to get a job.He has so little education that he is unable to get a job.I have had so many falls that I am black and blue all over.I have had so many falls that I am black and blue all over.难点链接难点链接（5 5）eitheror,neithernor,not onlybut alsoei
42、theror,neithernor,not onlybut also这三个连词词组都可连接两个并列成分。当它们连接两个并列主语时，这三个连词词组都可连接两个并列成分。当它们连接两个并列主语时，谓语动词要随相邻的主语变化。例如：谓语动词要随相邻的主语变化。例如：Either you or he is wrong.Either you or he is wrong.Neither he nor his children like fish.Neither he nor his children like fish.Not only the teacher but also the students
43、 want to buy the book.Not only the teacher but also the students want to buy the book.（6 6）although,butalthough,but这两个连词不能用在同一个句子中。例如：我们不能说这两个连词不能用在同一个句子中。例如：我们不能说“Although he is Although he is over sixty,but he works as hard as others.”over sixty,but he works as hard as others.”这个句子应改为：这个句子应改为：Alth
44、ough Although he is over sixty,he works as hard as others.he is over sixty,he works as hard as others.或或He is over sixty,but he He is over sixty,but he works as hard as others.works as hard as others.（7 7）because,sobecause,so这两个连词同这两个连词同样不样不能用在同一个句子中。例如：我们不能说能用在同一个句子中。例如：我们不能说“Because John Because J
45、ohn was ill,was ill,so I tookso I took him to the doctor.”him to the doctor.”这个句子应改为这个句子应改为Because John was ill,Because John was ill,I took him to the doctor.I took him to the doctor.或或John was ill,so I took him to the doctor.John was ill,so I took him to the doctor.正误辨析正误辨析1.1.误误 Both my parents ar
46、e not here.They went to the concert just now.Both my parents are not here.They went to the concert just now.正正 Neither of my parents is here.They went to the concert just now.Neither of my parents is here.They went to the concert just now.析析 在英语中在英语中bothboth一般用于肯定句中，如用于否定句中，其意义也不同于一般用于肯定句中，如用于否定句中，其
47、意义也不同于汉语，如：汉语，如：Both of us are not right.Both of us are not right.在英语中应被理解为在英语中应被理解为 我们俩不都对。我们俩不都对。而而Neither of us is rightNeither of us is right。才能被理解为才能被理解为 我们俩无一正确我们俩无一正确。2.2.误误 He or his parents has some tickets for the film.He or his parents has some tickets for the film.正正 He or his parents ha
48、ve some tickets for the film.He or his parents have some tickets for the film.析析 由由or or 连接两主语时，谓语动词应与相临近的那一个主语保持一致。连接两主语时，谓语动词应与相临近的那一个主语保持一致。3.3.误误 You should study hard,and you wont pass the exam.You should study hard,and you wont pass the exam.正正 You should study hard,or you wont pass the exam.Y
49、ou should study hard,or you wont pass the exam.析析 or or作为连词，这里的意思为作为连词，这里的意思为 否则否则。又如：。又如：Hurry up,or youll be Hurry up,or youll be late for school.late for school.4.4.误误 Though he is poor,but he is ready to help others.Though he is poor,but he is ready to help others.正正 Though he is poor,he is read
50、y to help others.Though he is poor,he is ready to help others.正正 He is poor,but he is ready to help others.He is poor,but he is ready to help others.析析 虽然虽然但是但是 是中文中的常用结构，但在英文中用了是中文中的常用结构，但在英文中用了 虽然虽然 则不要则不要用用 但是但是，用了，用了 但是但是 则不能再用则不能再用 虽然虽然，二者只可用其一。，二者只可用其一。正误辨析正误辨析5.5.误误 Either you or I are on dut
