2023年初一英语学习知识点归纳总结全面汇总归纳详解版.pdf

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1、初一英语学习知识点总结 一、初一英语语法词法 1、名词 A）名词的数 我们知道名词可以分为可数名词和不可数名词，而不可数名词它没有复数形式，但可数名词却有单数和复数之分，复数的构成如下：一）在后面加 s。如：fathers,books,Americans,Germans,apples,bananas 二）x,sh,ch,s,tch 后加 es。如：boxes,glasses,dresses,watches,wishes,三）1）以辅音字母加 y 结尾的变 y 为 i 再加 es 如：baby-babies,2）以元音字母加 y 结尾的直接加 s。如：day-days,boy-boys,toy-

2、toys,key-keys,ways 四）以 o 结尾加 s（外来词）。如：radios,photos,但如是辅音加 o 的加 es：如:tomatoes西红柿,potatoes马铃薯 五）以 f 或 fe 结尾的变 f 为 v 再加 es(s)。如：knife-knives,wife-wives,half-halves,shelf-shelves,leaf-leaves,yourself-yourselves 六）单复数相同（不变的）有：fish,sheep,deer鹿子,Chinese,Japanese 七）一般只有复数，没有单数的有：people,pants,shorts,shoes,g

3、lasses,gloves,clothes,socks 八）单词形式不变，既可以是单数也可以是复数的有：police警察局，警察,class班，同学,family家，家庭成员 九）合成的复数一般只加主要名词，多数为后一个单词。如：action movie-action movies,pen pal-pen pals;但如果是由 man或 woman所组成的合成词的复数则同时为复数。如：man doctor-men doctors,woman teacher-women teachers 十）有的单复数意思不同。如：fish鱼 fishes鱼的种类,paper纸 papers报纸，卷子，论文,w

4、ork工作 works 作品，工厂,glass玻璃 glasses玻璃杯，眼镜,orange 桔子水 oranges橙子,light光线 lights灯,people 人 peoples民族,time时间 times时代,次数,chicken 鸡肉 chickens 小鸡 十一）单个字母的复数可以有两种形式直接加 s 或s。如：Is(Is),Ks(Ks)。但如是缩略词则只加 s。如：IDs,VCDs,SARs 十二）特殊形式的有：child-children,man-men,woman-women,foot-feet,mouse-mice,policeman-policemen,English

5、man-Englishmen B）名词的格 当我们要表示某人的什么东西或人时，我们就要使用所有格形式。构成如下：一）单数在后面加s。如：brothers,Mikes,teachers 二）复数以 s 结尾的直接在 s 后加，如果不是以 s 结尾的与单数一样处理。如：Teachers Day教师节,classmates;Childrens Day 六一节,Womens Day三八节 三）由 and 并列的名词所有时，如果是共同所有同一人或物时，只加最后一个s，但分别拥有时却分别按单数形式处理。如：Mike and Bens room迈克和本的房间（共住一间），Mikes and Bens roo

6、ms迈克和本的房间（各自的房间）2、代词 项目 人称代词 物主代词 指示代词 反身代词 人称 主格 宾格 形容词 名词性 第一人称 单数 I me my mine myself 复数 we us our ours ourselves 第二人称 单数 you you your yours yourself 复数 you you your yours yourselves 第三人称 单数 she her her hers herself he him his his himself it it its its this that itself 复数 they them their theirs t

7、hese those themselves 3、动词 A）第三人称单数 当动词是第三人称单数时，动词应该像名词的单数变动词那样加s，如下：一）一般在词后加 s。如：comes,spells,waits,talks,sees,dances,trains 二）在 x,sh,ch,s,tch后加 es。如：watches,washes,wishes,finishes 三）1）以辅音字母加 y 结尾的变 y 为 i 再加 es。如：study-studies,hurry-hurries,try-tries 2）以元音字母加 y 结尾的直接加 s。如：plays,says,stays,enjoys,bu

8、ys 四）以 o 结尾加 es。如：does,goes 五）特殊的有：are-is,have-has B）现在分词 当我们说某人正在做什么事时，动词要使用分词形式，不能用原形，构成如下：一）一般在后加 ing。如：spell-spelling,sing-singing,see-seeing,train-training,play-playing,hurry-hurrying,watch-watching,go-going,do-doing 二）以不发音 e 的结尾的去掉 e 再加 ing。如：dance-dancing,wake-waking,take-taking,practice-prac

9、ticing,write-writing,have-having 三）以重读闭音节结尾且一个元音字母一个辅音字母（注意除开字母组合如show showing,draw-drawing）要双写最后的辅音字母再加 ing。如：put-putting,run-running,get-getting,let-letting,begin-beginning 四）以 ie 结尾的变 ie 为 y 再加 ing。如：tie-tying系 die-dying死 lie-lying 位于 4、形容词的级 我们在对两个或以上的人或物进行对比时，则要使用比较或最高级形式。构成如下：一）一般在词后加 er 或 est

10、(如果是以 e 结尾则直接加 r 或 st)。如：greater-greatest,shorter shortest,taller tallest,longer longest,nicer-nicest,larger-largest 二）以重读闭音节结尾且 1 个元音字母1 个辅音字母(字母组合除外，如few-fewer fewest)结尾的双写结尾的辅音再加 er/est。如：big-bigger biggest,red-redder reddest,hot-hotter hottest 三）以辅音字母y 结尾的变 y 为 i 加 er/est。如：happy-happier happies

11、t,sorry-sorrier sorriest,friendly-friendlier friendliest(more friendly most friendly),busy-busier busiest,easy-easier easiest 四）特殊情况：(两好多坏，一少老远)good/well-better best many/much-more most bad/ill worse worst little-less least old-older/elder oldest/eldest far-farther/further farthest/furthest 5、数词(基变序

12、，有规则；一、二、三，自己背；五、八、九、十二；其它后接 th；y 结尾，变为 i,eth 跟上去。)first,second,third;fifth,eighth,ninth,twelfth;seventh,tenth,thirteenth,hundredth;twenty-twentieth,forty-fortieth,ninety-ninetieth 二、初一英语语法句式 1.陈述句 肯定陈述句 a)This is a book.(be动词)b)He looks very young.(连系动词)c)I want a sweat like this.(实义动词)d)I can brin

13、g some things to school.(情态动词)e)Theres a computer on my desk.(There be结构)否定陈述句 a)These arent their books.b)They dont look nice.c)Kate doesnt go to No.4 Middle School.d)Kate cant find her doll.e)There isnt a cat here.(=Theres no cat here.)2.祈使句 肯定祈使句 a)Please go and ask the man.b)Lets learn English!c

14、)Come in,please.否定祈使句 a)Dont be late.b)Dont hurry.3.疑问句 1)一般疑问句 a)Is Jim a student?b)Can I help you?c)Does she like salad?d)Do they watch TV?e)Is she reading?肯定回答:a)Yes,he is.b)Yes,you can.c)Yes,she does.d)Yes,they do.e)Yes,she is.否定回答:a)No,he isnt.b)No,you cant.c)No,she doesnt.d)No,they dont.e)No,s

15、he isnt.2)选择疑问句 Is the table big or small?回答 Its big./Its small.3)特殊疑问句 问年龄 How old is Lucy?She is twelve.问种类 What kind of movies do you like?I like action movies and comedies.问身体状况 How is your uncle?He is well/fine.问方式 How do/can you spell it?L-double O-K.How do we contact you?My e-mail address is

16、.问原因 Why do you want to join the club?问时间 Whats the time?(=What time is it?)Its a quarter to ten a.m.What time do you usually get up,Rick?At five oclock.When do you want to go?Lets go at 7:00.问地方 Wheres my backpack?Its under the table.问颜色 What color are they?They are light blue.Whats your favourite

17、color?Its black.问人物 Whos that?Its my sister.Who is the boy in blue?My brother.Who isnt at school?Peter and Emma.Who are Lisa and Tim talking to?问东西 Whats this/that(in English)?Its a pencil case.What else can you see in the picture?I can see some broccoli,strawberries and hamburgers.11 问姓名 Whats your

18、 aunts name?Her name is Helen./Shes Helen.Whats your first name?My first names Ben.Whats your family name?My family names Smith.12 问哪一个 Which do you like?I like one in the box.13 问字母 What letter is it?Its big D/small f.14 问价格 How much are these pants?Theyre 15 dollars.15 问电话号码 Whats your phone numbe

19、r?Its 576-8349.16 问谓语(动作)Whats he doing?Hes watching TV.17 问职业(身份)What do you do?Im a teacher.Whats your father?Hes a doctor.三、初一英语语法时态 1、一般现在时 表示普遍、经常性的或长期性的动作时使用一般现在时，它有：Be 动词：Shes a worker.Is she a worker?She isnt a worker.情态动词：I can play the piano.Can you play the piano?I cant play the piano.行为动

20、词：They want to eat some tomatoes.Do they want to eat any tomatoes?They dont want to eat any tomatoes.Gina has a nice watch.Does Gina have a nice watch?Gina doesnt have a watch.2、现在进行时 表示动词在此时正在发生或进行就使用进行时态，结构为 sb be v-ing sth+其它.Im playing baseball.Are you playing baseball?Im not playing baseball.Na

21、ncy is writing a letter.Is Nancy writing a letter?Nancy isnt writing a letter.Theyre listening to the pop music.Are they listening the pop music?They arent listening to the pop music.四、初一英语语法介词用法：1)具体时间前介词用 at。.He gets up at half past seven every day.他每天七点半起床。She goes to bed at eleven oclock.她十一点睡觉。

22、2)表示“在早上，在下午，在晚上”的短语中用介词in，且定冠词 the 不能省略；表示“在中午，在夜里”的短语中介词用at，不加冠词。in the morning在早上，in the afternoon 在下午，in the evening 在晚上 at noon在中午，at night在夜里 3)表示“在某天”、“在某天的上午、下午等”的短语用介词on。What do you usually do on Monday morning?星期一上午你通常做什么？Do you sometimes go out to eat on Friday evening?有时你星期五晚上出去吃饭吗？He watches DVDs on Saturday night.星期六晚上他看 DVD。Parents take children to parks on June 1.六月一日，家长们带着孩子去公园。4)在 this,last,next,every等词前面既不加介词，也不用冠词。What are you doing this afternoon?今天下午你做什么？He visits his grandma every Friday.他每个星期五都去看望祖母。She is going to Shanghai next Monday.她下个星期一去上海。