1、连词用法归纳一、概说连词是一种虚词，不单独用作句子成分。可分为并列连词和从属连词。二、并列连词的用法1. 表转折关系: but, yet, while 等。注意：(1) but的特殊含义： Excuse me, but I dont think thats quite true. “但是”，用于道歉. Not you but I am to blame. not . but . “不是.而是.” She knows no one but you. “除了，只”，多用于否定句 He was the last but one to arrive. “倒数第二个” You cant help but
2、 respect them. “不得不” (2)but不能与although连用，而yet可以。 (3) but与however的区别。however视为副词，位置灵活，逗号之前。2. 表因果关系: for, so 等。如：注意： for的从句不能位于原因之前。 for不能用于回答问题。 for不能位于not, but或任何连词之后 because不能和so连用。3. 表并列关系: and , or , eitheror, neithernor, not onlybut (also), bothand, as well as, when(=and just at this time 就在这时)
3、等。注意and用法：祈使句 + and注意or用法: Hurry up, or youll be late for school. “否则” He must be joking, or else hes mad. “要不然就” He was not clever or good-looking. 用于否定句，代替and 习惯用语：more or less “或多或少”；one or two “一两个”等【即时练习】 Someone borrowed my pen, but I dont remember who. The child had a bad cough, so his mother
4、 took him to the doctor. The weather is mild today; it is neither hot nor cold. Both New York and London have traffic problems. The work is more or less finished. Dress warmly, or else youll catch cold. Later, however, he changed his mind. He eats nothing but hamburgers. Work hard and youll pass the
5、 examinations People who are either under age or over age may not join the army.三、从属连词的用法(一) 时间状语从句 1、表示“当时候”：when, while, as, whenever。注意 when和as区别：瞬间性动词：when；延续性动词：while。 as引导时，其谓语动词不能是静态或状态动词。 2、 表示“在之前(或之后)”：before, after。 3、表示“自从”或“直到”：since, until, till。 4、表示“一就”： as soon as the moment/ minute
6、/ second/ instant. once immediately/ directly/ instantly (ly) no soonerthan, hardly/ scarcelywhen等。 5、 表示“上次”、“下次”、“每次”等: every/ each time (每次)，(the) next time(下次)，any time(随时)，(the) last time(上次)，the first time(第一次)。【即时练习】 We lose a few skin cells every time we wash our hands. （改错） He finished it u
7、ntil it was dark. （改错） Dont talk while youre eating. （改错） Shes been playing tennis since she was eight. Ill let you know as soon as I hear from her.(二) 条件状语从句这类连词主要有: if, unless, as/so long as, in case等。回顾if和whether的区别。unless 除非，相当于if not(三) 目的状语从句主要的有: in order that, so that, in case, for fear that
8、等。注意：in case可表示条件，意为“如果”“万一” 可表示目的，意为“以防”“生怕”(四) 结果状语从句主要的有: so that, sothat, suchthat等。(五) 原因状语从句主要的有: because, as, since, seeing (that), now (that), considering (that) 等。改错： Because I was ill for six months, so I lost my job. The reason why Im late is because I missed the bus. He is here because y
9、ou .(六) 让步状语从句主要的有：although, though, even though/if, while, as, 特殊疑问词+ ever等。注意：though可以做副词，单独使用，但不能倒装。as只能用于倒装句。 (七) 方式状语从句主要的有：as, as if/though, the way等。 (八) 地点状语从句主要的有: where, wherever, everywhere, anywhere等。(十) 名词从句主要有：that, whether, if, 特殊疑问词等。Keys:110 B A B D A C C C B B 1120 B A C D C B B B
10、D C 2130 A D A B D C A B D B 3140 B C A A A A A B C C 110 for, or, either, and, eitheror, neither, which, as well as, but, so1.Although/ Though 2.so 3.if/ whether 4.so 5.but 6.because 7.Eitheror 8.and 9.before 10.since 连词用法归纳一、概说连词是一种虚词，不单独用作句子成分。可分为并列连词和从属连词。二、并列连词的用法1. 表转折关系: 等。注意：(1) but的特殊含义： Ex
11、cuse me, but I dont think thats quite true. “ ”，用于 . Not you but I am to blame. not . but . “ ” She knows no one but you. “ ”，多用于 句 He was the last but one to arrive. “ ” You cant help but respect them. “ ” (2)but不能与although连用，而yet可以。 (3) but与however的区别。however视为副词，位置灵活，逗号之前。2. 表因果关系: 等。如：注意： for的从句
12、不能位于原因之前。 for不能用于回答问题。 for不能位于not, but或任何连词之后 because不能和so连用。3. 表并列关系: 等。注意and用法： + and注意or用法: Hurry up, or youll be late for school. “ ” He must be joking, or else hes mad. “ ” He was not clever or good-looking. 用于 句，代替and 习惯用语： “或多或少”； “一两个”等【即时练习】 Someone borrowed my pen, I dont remember who. The
13、 child had a bad cough, his mother took him to the doctor. The weather is mild today; it is neither hot cold. Both New York London have traffic problems. The work is more less finished. Dress warmly, else youll catch cold. Later, , he changed his mind. He eats nothing hamburgers. Work hard youll pas
14、s the examinations People who are either under age over age may not join the army.三、从属连词的用法(一) 时间状语从句 1、表示“当时候”： 。注意 when和as区别：瞬间性动词： ；延续性动词： 。 as引导时，其谓语动词不能是静态或状态动词。 2、 表示“在之前(或之后)”： 。 3、表示“自从”或“直到”： 。 4、表示“一就”： as the / / / . o / / (ly) no sooner , hardly/ scarcely 等。 5、 表示“上次”、“下次”、“每次”等: time (每
15、次)， time(下次)， time(随时)， time(上次)， time(第一次)。【即时练习】 We lose a few skin cells every time we wash our hands. （改错） He finished it until it was dark. （改错） Dont talk while youre eating. （改错） Shes been playing tennis she was eight. Ill let you know soon as I hear from her.(二) 条件状语从句这类连词主要有: 等。回顾if和whether的
16、区别。unless 除非，相当于if not(三) 目的状语从句主要的有: 等。注意：in case可表示条件，意为“如果”“万一” 可表示目的，意为“以防”“生怕”(四) 结果状语从句主要的有: 等。(五) 原因状语从句主要的有: 等。改错： Because I was ill for six months, so I lost my job. The reason why Im late is because I missed the bus. He is here because you .(六) 让步状语从句主要的有： , 特殊疑问词+ ever等。注意：though可以做副词，单独使
17、用，但不能倒装。as只能用于倒装句。 (七) 方式状语从句主要的有： 等。 (八) 地点状语从句主要的有: 等。(十) 名词从句主要有：that, whether, if, 特殊疑问词等。连词专练一、单项选择( ) 1. The song was _ old _ few young people could sing.A. enough; to B. so; that C. as; as D. too; to( ) 2. Mr. Brown knows little Japanese, _ he cant understand the instructions on thebottle of
18、the pills.A. so B. or C. but D. for( ) 3. I cant tell you the secret_you promise that you will keep it between us.A. if B. but C. unless D. whether( )4. _the soldiers _the captain have been to Greece before.A. Bothand B. Not onlybut alsoC. Neithernor D./.as well as( ) 5. _ my mother _ my sister watc
19、hes football games these days.A. Either; nor B. Both; and C. Neither; nor D. Neither; or( ) 6. Mr. Smith is an English teacher _ will teach us English next term.A. or B. and C. but D. so( ) 7. I may live _ in a hotel _ in a friends house.A. both; and B. either; or C. neither; nor D. between; and( )
20、8. Im sorry, _ I cant help you with your homework. Youd better do it yourself.A. and B. but C. or D. then( ) 9. This coat will not lose colour _ its washed.A. until B. till C. before D. after( ) 10. I think we should get this liquid crystal computer, _ it wont take up more space.A. but B. although C
21、. because D. so( ) 11. Stop smoking, _ you will get better soon.A. and B. or C. that D. after( ) 12. Gray didnt recognize(认识) his old classmate _ he was told her name.A. when B. unless C. so D. until( ) 13. I was about to leave the office _ the telephone rang.A. when B. after C. before D. while( ) 1
22、4. There were so many beautiful dresses that I didnt know _to choose.A. where B.which C.how D.why( ) 15. This is not my book. Do you know _ it is?A.what B. which C. who D. whose二、选词填空soas well aseither . or .andeitherneitherforbutorwhich1. He must be out, _ the door is locked.2. You should hurry up,
23、 _youll miss the train. 3. Charles didnt want to watch that TV program, _. 4. Get up early, _ youll arrive there on time. 5. You can ask me questions _in class _after class. 6. -I cant remember his name. -_ can I.7. Ozone is a gas _occurs 20-50km above the ground.8. Maggie _ _ _Betty is interested i
24、n dance.9. She was very tired,_ she still kept on working.10. It snowed heavily this Spring Festival, _thousands of tourists had to stay in Shanghai to spend the holiday.三、连词填空1. _ they are brothers, they dont look like each other at all.2. The dress was very expensive, _ I didnt buy it.3. -Do you k
25、now _ I could pass the exam? -Sorry, Ive no idea.4. Mr. Brown knows little Japanese, _ he cant understand the instructions on the bottle of the pills. 5. The war was over about a year ago, _ the American soldiers in Iraq are still having a lot of trouble to deal with. 6. -Is David at school today? -
26、No. He is at home _ he has a bad cold. 7. _ Lily _ Lucy may go with you because one of them must stay at home. 8. Study hard, _ you are sure to have a good result in the exam. 9. Please have a wash _ you go to bed. 10. The twins have learned a lot _ they came to China. 四、句型转换1. The boy isnt rich eno
27、ugh to go to school.(保持句意) The boy is so_ _ he cant go to school.2. I had tried my best, but I failed. (保持句意) _ I had tried my best, I failed.3. The teacher will tell him the news at once when he arrives at the school. (保持句意) The teacher will tell him the news _ _ _ he gets to school.4. He was too y
28、oung to look after himself. (保持句意) He was _ young that he _ look after himself.5. My father is a dentist. My mother is a dentist, too. (保持句意) _ of my parents _ teachers.6. When will the train leave? Can you tell me? (合并) Can you tell me when the _ _ leave?7. “How can I deal with the problem?” I wond
29、ered.（合并） I wondered _ I_ deal with the problem.8. None of us is a woman cook.(肯定句) _ of us are _cooks.9. Both you and he like reading detective stories. (否定) _you nor he _ reading detective stories.10. If you dont take a taxi, youll be late for the meeting. (保持句意) _ you _ a taxi, youll be late for the meeting.
