小学英语语法讲练【暑假拔高+导图梳理+典例剖析】连词.pptx

小升初-语法专题连词1.了解连词的定义;2.掌握连词的分类和基本用法;3.在练习中运用连词知识点熟练解题学习目标语法精讲连词的定义连词是在句子中用来连接词与词、短语与短语或句子与句子的词他又高又瘦He is tall and thin.她不开心,因为她考试没通过She is sad because she failed the exam.并列连词:连接两个或两个以上的字、词组或分句常见并列连词:and,or,but,so从属连词:连接两个或两个以上的分句常见从属连词:because,before,after连词的分类连词并列连词 and1.“和,并且”一般用在肯定句例句:今早我打扫了房间并且洗了衣服I cleaned the house and washed clothes this morning.2.有时用于连接两个相同的词语,表示连续性例如:火车开得越来越快The train ran faster and faster.并列连词or用法1.“或,还是”表示选择例句:你到美国是坐船还是坐飞机?Are you going to America by boat or by plane?2.“否则”表示一种否定的条件。

例句:赶快,否则你上学就要迟到了Hurry up,or you will be late for school.3.用于否定句中代替and例如:他们既没有唱歌也没有跳舞They didnt sing or dance.辨析and 和 orand用于肯定句,or用于疑问句和否定句Tom,Jim and I are playing football now.汤姆,吉姆和我现在正在踢足球He doesnt like milk or juice.他不喜欢牛奶或果汁Does he like milk or juice?他喜欢牛奶还是果汁?A:What fruits do you like?B:I like _ and _.A:What fruits dont you like?B:I dont like _ or _.并列连词 but 用法“但是”表示转折,一般用于否定句例句:他很累但他很开心He was tired but he was happy.并列连词so 用法“所以”表示结果那地方还疼,因此我去看了医生It was still painful so I went to see a doctor.从属连词 because 用法“因为”表示原因。

例句:因为她病了,所以没有去那里She didnt go there because she was ill.连词for和because区别:for:间接连词,不能放句首,它是并列连词because:直接连词,能放句首,语气强,表示客观必然原因辨析从属连词before用法“在之前”引导时间状语从句例句:他们要过四天才能回来.It will be four days before they come back.从属连词after 用法“在.之后”引导时间状语从句例句:我离开学校后去了美国I went to America after I left school._ the boy finished his homework,he went to bed.Aunt Wang will be back _ nine.选词填空after/before例题精讲1.单选 Lily likes red,_ Lucy doesnt like red.A.and B.butC.or答案:B、分析:句意:莉莉喜欢红色,但是露西不喜欢红色根据下句否定,该句子需要but表示转折,and连接两个并列成分,故选B。

2.单选题 _ adults _ children like these stories.A.Both;andB.All;andC.Both;orD.All;or答案:A、分析:句意:大人和孩子喜欢这些故事选项A两者都;选项B中all表示全部,不与and连接,排除;指三者以上,选项C中both不与or连接,排除;选项D中all不与or连接,排除;表示大人和孩子都喜欢,用both.and故选A.3.单选 When will Lynn _ Bob arrive?A.toB.andC.but答案:B、分析:句意:琳鲍勃什么时候来?选项A到,选项B和,连接两个人或物,选项C但是,表示转折,本句主语两个人用and连接,故选B.4.单选 He wants to buy this bike,_ its too dear.A.andB.orC.but答案:C、分析:他想买这辆自行车,但是太贵了该题考查从属连词,根据原句的语境”他想买这辆自行车,太贵了.可推测是表示转折,但是的意思;A是and,和、又,表示并列;B是or,或者、否则;C是but,但是.故选:C.5.单选题 We cant sing _ dance in the library.A.orB.andC.but答案:A、分析:本题考查连词的用法.but是但是的意思;and是和的意思;or是或者的意思;题干表达我们不能在图书馆唱歌或跳舞.,在否定句中用连词or6.单选 Do you like storybooks _ picture books?A.orB.andC.with答案:A、分析:本题考查连词的用法.A.or还是,表示选择;B.and和,表示并列;C.with和,介词,句意为你喜欢故事书还是图画书?,由此可知横线上应填表示选择关系的连词.or通常用于否定句和疑问句中.故选:A.7.单选 I see a sign on the wall.Dont eat _ drink in the library.A.andB.orC.but答案:B、分析:该题考查连词的辨析.根据原句的Dont eat可知是否定定的祈使句,eat和drink是两个并列的动词,在否定句、一般问句中表示并列,应该用or.故选:B.8.填空 Why do you put on your jacket?(用cold 回答)_答案:Because its cold.分析:本题考查特殊疑问句及答语。

由助动词do可知句子的时态为一般现在时Why do you put on your jacket询问你为什么穿上夹克以Why开头的问题用Because回答答语的时态要和问句保持一致答语表达因为很冷,即Because its cold9.填空题 _(Before/After)you cross the road,you must stop and look both ways.答案:Before分析:结合常识,应过马路前,先左右看故此处为连词Before句意:你穿过马路之前,你必须停下来,向两边看看10.单选 The girl had a short rest _ she arrived home.A.after B.beforeC.when D.since答案:A、分析:句意:女孩回到家后稍作休息考查连词辨析题四个选项都可表示时间,A.after在 以后;B.before在 以前;C.when当 时候;D.since自从,用于表示一段时间根据句意语境,可知BCD三项意思都与句意不合,故选A11.句型转换 Ben is a good student.Joe is a good student,too.(保持原意)_ Ben _ Joe are good students.答案:Both;and分析:根据句意及原句要求此题要用Both and连接。

12.翻译题它没有颜色和形状答案:It has no colour or shape.分析:它it;没有has no;颜色colour;和or;形状shape在否定句中两个并列成分用or连接,故答案为Ithas no colour or shape.13.翻译题Sam最喜欢的学科是历史,因为它很有趣答案:Sams favorite subject is history,because its interesting.分析:某人最喜欢的:ones favorite.;表示原因,用because引出原因状语从句故译成:Sams favoritesubject is history,because its interesting.14.翻译句子老人迅速的关上袋子,跑去找农民._答案:The old man quickly closed the bag and went to look for the farmers.分析:本题考查汉语词汇的英语表达.该句为并列句,用and连接;句子强调过去的事实,时态为一般过去时,关上袋子译为closed the bag;找农民译为look for the farmers;跑去译为went to;迅速的译为quickly;老人译为old man.故填:The old man quickly closed the bag and went to look for the farmers.15.句型转换 My little brother can swim and skate.(改成否定)_答案:My little brother cant swim or skate.分析:句意:我的小弟弟不会游泳,也不会滑冰。

故填My little brother cant swim or skate.巩固练习一、选择题1.Hurry up,_we cant catch the bus.A.and B.or C.so D.but2._Tina and Gina know Chinese.A.Both B.Neither C.Either D.But3.She was_surprised_she couldnt believe her eyes.A.too;to B.such;that C.so;that D.enough;to4.I cant understand this sentence_there are no new words in it.A.if B.because C.though D.as5.Youll be late_you dont get up early tomorrow morning.A.if B.when C.before D.until6.Hi,boys,please dont go back home_the rain stops,or youll get wet.A.because B.since C.but D.until7._you go across the road,you must be careful.A.Since B.After C.When D.Before8.She is listening to the music_he he is washing clothes.A.after B.before C.while D.until9.Bill wont make any progress_he studies harder than before.A.if B.when C.because D.unless10._Lucy_Lily may go to concert with you,because they are not allowed to go out on school nights.A.Either;or B.Neither;nor C.Both;and D.Not only;but also11.Guys,before you buy new sports shoes,please think_it is really necessary.A.how B.when C.whether D.what 12.During the earthquake,man。