2022年初一英语语法学习知识点详细总结.docx

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1、初一英语语法学习学问点总结一、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行数名词,而不行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

2、, boy-boys, toy-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 ess ；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

3、有： people,pants, shorts, shoes, glasses, 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; 但假如是由 man或 woman所组成的合成词的复数就同时为复数；如： man doctor-men doctors, woman teacher-women teachers十）有的单复数意思不同；

4、如： fish鱼 fishes鱼的种类 , paper纸 papers报纸,卷子,论文 , work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 ；但如是缩略词就只加 s；如： IDs, VCDs, SARs十二） 特别形式的有： child-children, man-men,

5、 woman-women, foot-feet, mouse-mice, policeman-policemen, Englishman-EnglishmenB）名词的格当我们要表示某人的什么东西或人时,我们就要使用全部格形式；构成如下： 一）单数在后面加 s；如： brother s, Mike s, teachers二）复数以 s 结尾的直接在 s 后加,假如不是以 s 结尾的与单数一样处理； 如：Teachers Day 老师节, classmates ; Children s Day六一节, Women s Day三八节三）由 and 并列的名词全部时, 假如是共同全部同一人或物时,

6、只加最终一个 s, 但分别拥有时却分别按单数形式处理；如：Mike and Ben s room 迈克和本的房间（共住一间）, Mikes and Ben s rooms 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 Imemy minemyself复数 weusour oursourselves其次人称 单数 youyouyour yoursyourself复数 youyouyour yoursyourselves第三人称 单数 sheherher hersherself hehimhis hishimselfititits

7、 its this thatitself复数 they them their theirs these those themselves3、动词A） 第三人称单数当动词是第三人称单数时,动词应当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,

8、 try-tries2）以元音字母加 y 结尾的直接加 s；如： plays, says, stays, enjoys, buys四）以 o 结尾加 es；如： does, goes五）特别的有： 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

9、的结尾的去掉 e 再加 ing ；如： dance-dancing, wake-waking,take-taking, practice-practicing, 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（留意除开字母组合如show showing, draw-drawing ）要双写最终的辅音字母再加 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

10、-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, 就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 假如是以 e 结尾就直接加 r 或 st ；如：greater-greatest,shortershortest,tallertallest,longerlongest, 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-fewerfewest 结尾的双写结尾的辅音再加 er /est ；如：big-biggerbiggest, red-

11、redder reddest, hot-hotter hottest三） 以辅音字母 y 结尾的变 y 为 i 加 er/est；如： happy-happierhappiest, sorry-sorrier sorriest, friendly-friendlier friendliestmore friendlymost friendly, busy-busier busiest, easy-easier easiest四）特别情形： 两好多坏,一少老远 good/well - better bestmany/much - more most bad/ill worse worst lit

12、tle- less leastold- older/elder oldest/eldestfar- farther/further farthest/furthest5、数词 基变序,有规章；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. 陈述句确定陈述句 a

13、 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 bring some things to school. 情态动词 e) There s 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 doesntgo to No. 4 Middle School.d Kate cantfindher doll.e There isn

14、t a cat here. =Theres no cat here.2. 祈使句确定祈使句 a Please go and ask the man. b Lets learn English.c) Come in, please.否定祈使句 a Don t be late. b Dont hurry.3. 疑问句1) 一般疑问句 aIs Jim a studentb Can I help you c Does she likesaladd) Do they watch TV e Is she reading确定回答 : a Yes, he is. b Yes, you can. c Yes,

15、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, she isnt.2) 挑选疑问句 Is the table big or small回答 It s big./ Its small.3) 特别疑问句 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.

16、 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. 问缘由 Why do you want to join the club 问时间 Whats the time =What time is it Its a quarter to ten . What time do you usually get up, Rick At five oclock.When do you want to go

17、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 color Its black. 问人物 Whos that Its my sister. Who is the boy in blue My brother.Who isn t at school Peter and Emma. Who are Lisa and Tim talking to 问东西 Whats this/that in En

18、glish Its a pencil case.What else can you see in the pictureI can see somebroccoli,strawberries and hamburgers.11 问姓名 Whats your aunts name Her name is Helen./Shes Hel en. 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 t

19、he 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 number Its 576 -8349. 16 问谓语 动作 What s 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、常常性的或长期性的动作时使用一般现在

20、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.行为动词： They want to eat sometomatoes.Do they want to eat any tomatoes They don t want to eat any tomatoes.Gina has a nice watch. Does Gina have a nice watch Gina doesn

21、t havea 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 bev-ing sth +其它.I mplayingbaseball.Are you playingbaseballI mnot playingbaseball.Nancy iswritinga letter.Is Nancy writinga letterNancy isn t writing a letter.Theyre listeningto the pop music. Are they listeningthe pop music They aren t listening to th

22、e pop music.四、初一英语语法 介词用法 ：1) 详细时间前介词用 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；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

23、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今日下午你做什么He visits his grandma every Friday.他每个星期五都去探望祖母；She is going to Shanghai next Monday.她下个星期一去上海；