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1、小学三四年级英语语法汇总小学三四年级英语语法汇总数人称主格宾格物主代词所有格,形 容 词性 物 主代词myyourhisheritsouryourtheir名 词 性物 主 代词mineyourshishersitsoursyourstheirs反身代词单数第 一 人称第 二 人称第三人称我你他她它我们你们他们,她们,它们Iyouhesheitweyoutheymeyouhimheritusyouthemmyselfyourselfhimselfherselfitselfourselvesyourselvesthemselves复数第 一 人称第 二 人称第 三 人称一、陈述句定义:是用来陈述
2、一件事情或表示一种看法，可分为肯定句和否认句两种形式。1、谓语动词是be 动词,助动词 do/have/has,情态动词 can 等时，只要直接在这些词后面加not 就构成否认形式。eg.Lily has already read this new book.(改为否认句)Lily _ _ this new book _.2、谓语动词是行为动词而又没有助动词或情态动词时，必须在谓语动词前加助动词，一般现在时加助动词 do，第三人称单数加 does，一般过去时加 did，再和 not 构成否认构造。必须指出的是：dont,doesnt,didnt后都用动词原形。eg.1)Jill has lun
3、ch at school every day.(改为否认句)Jill _ _ lunch at school every day.2)The children had a good time at the party.(改为否认句)The children _ _ a good time at the party.3)Rose didnt drink any milk this morning.改为肯定句)Rose _ _ milk this morning.二、疑问句定义:是用来提出问题的句子。常用疑问词:疑问词What time意思什么时间实用文档.用法问具体时间,如几点钟WhoWhose
4、WhereWhatWhat colour(color)How oldHow manyHow much谁谁的在哪里什么什么颜色多大年纪多少数量(可数名词)多少钱;多少数量(不可数名词)问人问主人问地点问东西、事物问颜色问年纪问数量问多少钱或数量(不可数)A.一般疑问句：以 be 动词,have/has/do 等助动词、can/may 等情态动词开头，以 yes 或no 来答复的问句。它的根本构造是：Be/Have/Has/Did等助动词包括情态动词主语谓语包括表语.？答复常用简单答复。1、谓语动词是 be 动词、助动词、情态动词时，只要直接把这些词置于句首，句末改成问号。eg.Theres so
5、mething wrong with his bike.改成疑问句_ _ _ wrong with his bike?2、谓语动词是行为动词时，必须在句首加上助动词Do、Does三单、Did过去式加上这些助动词后，句子中谓语动词必须用原形。eg.1)Edison built a science lab himself when he was ten.改成疑问句_ Edison _ a science lab himself when he was ten？2)Those Japanese like Chinese food.改成疑问句_ those Japanese _ Chinese foo
6、d?注意：在把肯定句改成否认句或一般疑问句的时候,要注意句中是否有 already、some、something、somebody 等词，如果有也必须进展改变，already 要改成 yet，some、something、somebody 等分别改成 any、anything、anybody 等。另外，在改成否认句的时候注意把too改成 either,both 改成 neither,all 改成 none 等.在改成一般疑问句的时候，常常把第一人称 I、we 改成第二人称 you。B.特殊疑问句：以疑问代词或疑问副词开头，提出疑问的句子。它的根本构造是：特殊疑问词一般疑问句语序。但是如果疑问词
7、在句子中作主语或作主语的 定 语，就用 特殊 疑问 词 陈 述句 语序。常 用 的疑 问词 有：what,who(whom),whose,which,when,where,how,why 等，答复时针对问句中的代词和副词来答复，不用 yes或 no 来答复。1)对指物名词或谓语动词提出疑问，疑问词用whatThe twins were making a kite when their mother came in.划线提问_ _ the twins _ when their mother came in?Mrs Turner asked her son to buy some eggs for
8、 supper.划线提问_ _ Mrs Turner ask her son _ _?2)对名词前定语提出疑问，疑问词应用which，而且必须和名词连用。实用文档.Im going to take the shirt on the right.划线提问_ _ are you going to take?3)对指人名词或代词提问用who，作宾语时提问用 whom。4)对物主代词和名词所有格提问用whose。5)对具体时间提出疑问，如 in the morning,last Sunday 等，疑问词用 when；对具体几点钟提问，疑问词应用 what time。6)对具体地点提出疑问，疑问词应用w
9、here。The pupils are having a picnic at the foot of the hill.划线提问_ _ the pupils having a picnic?7)对表原因的从句提问，常见的有because 引导的从句，疑问词应用why。Xiao Cheng didnt go to the farm with us because he was ill.划线提问_ _ Xiao Cheng go to the farm with us?8)对方式或程度等提出疑问，用疑问词How。9)对数量提出疑问，疑问词为How many，要注意 how many 必须跟名词的复
10、数形式。eg.two hundred birdsHow many birds10)对价格提出疑问，疑问词用How much。eg.I paid fifty yuan for the sweater._ _ did you pay for the sweater?11)对时间长度提出疑问，疑问词应用How long。eg.Ive worked in that factory for two years.划线提问_ _ _ you worked in that factory?12)对时间频率，如 once a year,twice a week等提问，疑问词用 How often。13)对具体次
11、数，如 once,twice,three times等提问，疑问词用 How many times。14)对 in一段时间提问，疑问词一般用How soon。eg.Jane and her brother will finish the work in two hours.划线提问_ _ _ Jane and her brother finish the work?15)对距离提出疑问，疑问词用How far。eg.Its about two kilometres from here to the country.划线提问_ _ _ _ from here to the country?16)
12、另外，对日期、星期、天气等提出疑问，那么分别用实用文档.Whats the date?What day is it?如果是过去时间，就用was 代替 is。Whats the weather like?思考题1)The workers visited the factory already.改成否认句、一般疑问句The worker _ _ the factory _._ the worker _ the factory _?2)Both of his parents are workers.改成否认句_ of his parents _ a worker.3)He went to the p
13、ark with his sister.划线提问_ _ _ he go to the park?4)We really enjoyed working on the farm.划线提问What _ you really enjoy _?5)She writes to her parents once a week.划线提问_ _ _ she write to her parents?6)Our P.E teacher has been at this school since he came.划线提问_ _ _ our P.E teacher been at this school?三、时态1
14、、一般现在时一般现在时的功能1).表示事物或人物的特征、状态。如：The sky is blue.天空是蓝色的。2).表示经常性或习惯性的动作。如：I get up at six every day.我天天六点起床。3).表示客观现实。如：The earth goes around the sun.地球绕着太阳转。一般现在时的构成：1).be 动词：主语be(am,is,are)其它。如：I am a boy.我是一个男孩。2).行为动词：主语行为动词(其它)。如：We study English.我们学习英语。当主语为第三人称单数(he,she,it)时，要在动词后加-s或-es。如：Mary likes Chinese.玛丽喜欢汉语。2、现在进展时(1)构成形式:Be 动词+动词的 ing 形式注意:两者缺少其中任何一种都不可以构成现在进展时(2)现在进展时表示动作正在进展或事情正在发生(3)有用的依据:一个句子中既有 be 动词，又有动词，且动词加了 ing,那么该句是现在进实用文档.展时实用文档.(4)句中往往有 now、look、listen 动词现在分词如有侵权请联系告知删除，感谢你们的配合！实用文档.