中考复习:人教版七年级英语下册重点语法知识大全
名词:
名词专项讲解;
1,名词根据词的种类我们可以把它分为:专有名词和普通名词.
专有名词指的一般是国家,地名,人名等专有的事物.:China ,Beijing , Tom
普通名词指的是其他的一般的事物:desk ,pen
2,名词根据数的变化,我们可以分为可数名词和不可数名词.
可数名词就是可以数的名词.:a pen – two pens
不可数名词就是不可以数的名词: meat
可数名词有单复数变化,不可数名词没有单复数变化.
3,可数名词数的变化规则:
①一般直接加s: 1 book ---2 books
②在以sh,ch,s,x结尾的时候加es:1 bus ---2 buses , 1 watch ---2 watches , 1 box ---2 boxes ,1 brush ---2 brushes
③在以f,fe结尾的时候,去掉f,fe,加ves, 1 knife -----2 knives , 1 leaf ----2 leaves .
4 .在以辅音字母加y结尾的时候,去掉y加ies 1 baby ----2 babies , 1 butterfly---2 butterflies .
5.不规则的变化:1 man ---2 men , 1 woman --- 2 woman , 1 child --- 2 children , 1 ox ---oxen ,1 Chinese ----2 Chinese ,1 mouse -----2 mice ,1 sheep ----2 sheep , 1 fish -----2 fish , 1 tomato----2 tomatoes ,1 potato ---2 potatoes , 1 hero ---2 heroes ,等等.
6,名词所有格:名词的所有格就是名词的形式
例如:Tom’s book 就是汤母的书
7名词所有格构成的形式:
①不以s结尾的时候直接加’s Tina’s pen.
②以s结尾的时候加’就可以了. Teachers’ Day
8,在没有生命的物体的所有格是不同的,主要是在中间加of的结构,
A book of a room., a map of China ,
A friend of my father’s这样的这个结构叫做双重所有格.
代词的专项讲解
1, 人称代词:就是代替人的称呼的词语。
主格 宾格
I Me
You You
He Him
She Her
They Them
We Us
It It
主格的位置:就是在动词的前面,或者在句首。
例如:He is a good boy.
宾格的位置:就是在动词的后面或者在介词的后面。
例如: His father likes him very much .
形容词性物主代词 名词性物主代词
My Mine
Your Yours
His His
Her Hers
Their Theirs
Our Ours
Its Its
形容词性物主代词:放在名词的前面,修饰名词。后面必须有名词。
例如:This is my friend.
名词性物主代词:放在be动词的前后,句首或者句尾,后面不能有名词。
例如:There is a book on the desk ,but mine is on the table.
反身代词 Myself Yourself Himself Herself itself themselves ourselves
Enjoy oneself= have a good time
I have a good time = I enjoy myself.我玩得很愉快。
Help oneself to sth
Help yourself to eat some food .请随便吃点东西。
不定代词:
Some 和any 的用法和区别
Some用在肯定句,any用在否定句和疑问句里。
I have some books .
Do you have any books
I don’t have any books.
Many 和much的用法和区别
Many用来修饰可数名词,而much用来修饰不可数名词
I have many books.
I have much money in the box.
There are many pens on the desk.
There is much money in the box .
A few ,few ,a little ,little 的用法和区别
A few 和few是反义词的意思,用来修饰可数名词。而我们的a little和little是反义词的意思,用来修饰不可数名词。
I have a few books .我有一些书。I have few books .我没有书。
I have a little water .我有一些水。I have little water.我没有水。
特殊疑问词的用法:
什么事what ,谁是who,谁的是whose,哪个是which,什么时间是when ,什么地方是where,如何是how,多远是how far,多久是how long,多少次是how often 或者how many times,多少钱是how much ,多少是how many,为什么是why
形容词的用法
形容词ing 结尾 用在物体和人的状态
例如: He is an interesting man 他是一个有趣的人 It is a boring book 它是一本无聊的书籍
形容词ed结尾,用在人的情绪状态
He is excited 他是很兴奋的。 I am interested in English 我对英语很感兴趣。
不定代词(something,anything,everything,nothing,nobody,every body,any body,somebody,no one,someone,anyone,everyone)+形容词
I have something interesting to tell you 我有有一些有趣的事情告诉你
选择疑问句: 问句中有or ,答语不能用yes 或者no 回答
Is he tall or short ? 他是高还是矮? ---He is tall 他很高, 或者---tall 高
现在进行时:此时此刻正在进行的动作和状态
结构; am/is/are +动词ing
例如: He is reading books ,now 他正在读书
标志词: now 现在,at the moment 此刻
动词现在分词的变化规则:
1,直接加ing : read ---reading
2,以辅音字母+元音字母+辅音字母 结尾的重读闭音节词: 双写最后一个辅音字母加ing
Stop--stopping
3,以不发音的e结尾,去掉e 加ing 例如: ride---riding
4,以ie 结尾的单词改为y 加ing 例如; lie---lying
一般过去时: 过去经常发生的动作或者状态。
结构:主语+动词过去式+其他
I played football yesterday 我昨天踢足球
标志词: yesterday 昨天,last+时间,上一个。。。, just now 刚才,then 那时,ago 以前,
动词过去式的变化规则:
1,直接加ed play---played
2,以辅音字母加y,去掉y为i 加ed study--studied
3,以辅音字母+元音字母+辅音字母的重读闭音节结尾时,双写最后一个辅音字母加ed,stop-stopped
4,以不发音的e 结尾,加d, like--liked
5,不规则的变化:
最常用英语不规则动词表
1.AAA
动词原形 过去式 过去分词
cost cost cost 花费
cut cut cut 割,切
hurt hurt hurt 受伤
hit hit hit 打,撞
let let let 让
put put put 放下
read read read 读
set set set 安排,安置
spread spread spread 展开,传播,涂
spit spit/spat spit/spat 吐痰,
shut shut shut 关上, 闭起,停止营业
2.AAB
动词原形 过去式 过去分词
beat[bi:t] beat[bi:t] beaten['bi:tn] 打败
3.ABA
动词原形 过去式 过去分词
become became become 变
come came come 来
run ran run 跑
4.ABB
(1)在动词原形后加一个辅音字母d, t或ed构成过去式或过去分词。
动词原形 过去式 过去分词
burn burnt burnt 燃烧
deal dealt dealt 解决
dream dreamed/dreamt dreamed/dreamt 做梦
hear heard heard 听见
hang hanged/ hung hanged/ hung 绞死,悬挂
learn learned/learnt learned/learnt 学习
light lit/lighted lit/lighted 点燃, 照亮
mean meant meant 意思
prove proved proven/proved 证明, 证实,试验
shine shone/shined shone/shined 使照耀,使发光
show showed showed/shown 展示, 给...看
smell smelled/smelt smelled/smelt 闻, 嗅
speed sped sped 加速
spell spelled/spelt spelled/spelt 拼写
wake waked/woke waked/woken 醒来,叫醒, 激发
(2)把动词原形的最后一个辅音字母“d”改为“t” 构成过去式或过去分词。
动词原形 过去式 过去分词
build built built 建筑
lend lent lent 借给
rebuild rebuilt rebuilt 改建, 重建
send sent sent 送
spend spent spent 花费
(3)原形→ought →ought
动词原形 过去式 过去分词
bring brought brought 带来
buy bought bought 买
fight fought fought 打架
think thought thought 思考,想
(4) 原形→aught →aught
动词原形 过去式 过去分词
catch caught caught 捉,抓
teach taught taught 教
(5)变其中一个元音字母
动词原形 过去式 过去分词
dig dug dug 掘(土), 挖(洞、沟等)
feed fed fed 喂
find found found 发现,找到
get got got/gotten 得到
hold held held 拥有,握住,支持
lead led led 引导, 带领, 领导
meet met met 遇见
sit sat sat[ 坐
shoot shot shot 射击
spit spit/spat spit/spat 吐痰,
stick stuck stuck 插进, 刺入, 粘住,
win won won 赢
(6)原形→□lt/pt/ft→□lt/pt/ft
动词原形 过去式 过去分词
feel felt felt 感到
keep kept kept 保持
leave left left 离开
sleep slept slept 睡觉
sweep swept swept 扫
(7)其它
动词原形 过去式 过去分词
lay laid laid 下蛋, 放置
pay paid paid 付
say said said 说
stand stood stood 站
understand understood understood 明白
lose lost lost 失去
have had had 有
make made made 制造
sell sold sold 卖
tell told told 告诉
retell retold retold 重讲,重复,复述
5.ABC(1)原形→过去式→原形+(e)n
动词原形 过去式 过去分词
blow blew blown 吹
drive drove driven 驾驶
draw drew drawn 画画
eat ate eaten 吃
fall Fell fallen 落下
give gave given 给
grow grew grown 生长
forgive forgot forgiven 原谅, 饶恕
know knew known 知道
mistake mistook mistaken 弄错; 误解,
overeat overate overeaten (使)吃过量
prove proved proven/proved 证明,证实, 试验
take took taken 拿
throw threw thrown 抛,扔
ride rode ridden 骑
see saw seen 看见
show showed showed/shown 展示
write wrote written 写
(2)原形→过去式→过去式+(e)n
动词原形 过去式 过去分词
break broke broken 打破
choose chose chosen 选择
get got got/gotten 得到
hide hid hidden 隐藏
forget forgot forgotten 忘记
freeze froze frozen 冷冻,结冰,感到严寒
speak spoke spoken 说
steal stole stolen 偷
(3) 变单词在重读音节中的元音字母“i”分别为“a”(过去式)和“u”(过去分词)。
[i→a →u]
动词原形 过去式 过去分词
begin began begun 开始
drink drank drunk 喝
sing sang sung 唱
sink sank sunk 下沉, 沉没
swim swam swum 游泳
ring rang rung 打电话
(4)其它
动词原形 过去式 过去分词
be(am, is, are) was/ were been 是
bear bore born/borne 负担, 忍受
do did done 做
fly flew flown 飞
go went gone 去
lie lay lain 躺
wear wore worn 穿
句子成分:
主语 :发起动作的人 或者物,通常在动词的前面
例如:I play football 我踢足球,I就是主语
Many students are swimming 许多学生在游泳, (students 就是主语,主语通常是名词 或者代词)
谓语:指的就是动词,发生的各种动作 (谓语就是动词)
例如:
He plays football 他踢足球 (play就是谓语)
宾语:动作的接受方,可以是人或者物 (宾语放在动词后,通常是名词或者代词)
例如: He plays football,every day他每天踢足球, (football就是宾语)
I like it 我喜欢它 (it宾语)
定语:指的就是(。。。。的),定语通常在名词前,定语一般是形容词
例如:He is a handsome boy 他是一个帅气的男孩。(handsome 就是定语)
状语:通常指的是时间,地点,条件,通常放在 句尾。
例如;
I study at school 我在学校学习(at school 是时间状语)
I study at seven o’clock 我在七点钟学习。(at seven o’clock是地点状语)
If I were you ,I would help you a lot 如果我是你,我将会帮助你 (If I were you 是条件状语)
补语:指的是补充说明主语,或者宾语去进行的动作,通常是用to do ,doing 等非谓语动词
例如:I ask him to do homework 我叫他去写作业(to do homework补语,也可以叫做宾语补足语)
They caught the boy stealing 他们抓住这个男孩偷东西(stealing 补语 ,也可以叫做宾语补足语)