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外研社小学英语知识总结
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词性
一、名词性物主代词
1、名词性物主代词和形容词性物主代词一样有8个:
Mine yours his hers its ours yours theirs
我的你的他的她的它的我们的你们的他(她、它)们的
2、 名词性物主代词的特点:
(1)译成汉语都有"的"
(2)后面不加名词
(3)名词性物主代词=形容词性物主代词+名词
Eg:1、the pen is mine 钢笔是我的(mine=my pen)
二、单数的句子变成复数的句子
把单数的句子成复数的句子很简单:变法是把能变成复数的词变成复数,但a或an要把去掉。特殊疑问词、形容词、国家及地点通常不变。
Eg:把下列句子变成复数
1、 I have a car ----we have cars
2、He is an American boy. ----They are American boys
3、 It is a car ----They are cars
4、This is an eraser ----These are erasers
5、That is a backpsck -----Those are backpacks
6、Im an English teather ------We are English teathers
7、Its a new shirt---- They are new shirts
8、Hes a boy ----They are boys
9、Shes a singer ------They are singers
10、Whatsthis in English?---- What are these in English?
代词
1、形容词性物主代词8个:
My (我的),your(你的) ,his(他的) ,her (她的),its (它的),our (我们的),your (你们的),their(他(她、它)们的)
2、形容词性物主代词的特点:
(1)译成汉语都有"的" eg:my 我的, their 他们的
(2)后面加名词:eg:my backpack ,his name
(3)前后不用冠词 a, an ,the
This is a my eraser.(错误)
That is your a pen.(错误)
Its his the pen.(错误)
3、I(物主代词)my, you(物主代词)your ,he (物主代词)her, we (物主代词) our
like的用法
一、like一词的用法like用作及物动词,译为“喜欢”
(1)后接名词或代词,表示喜欢某人或某物。如:I like the baby very much. 我非常喜欢这个小孩。
(2)后接动名词(v. -ing),表示“喜欢做某事”,着重于习惯、爱好。如:Tom likes playing football. 汤姆喜欢踢足球。
(3)后接动词不定式(to do ),表示“偶尔地喜欢做某事”,着重于某次具体的行为。如:I like reading, but I like to watch TV this evening. 我喜欢读书,但我今晚想看电视。
二、句子单数变复数,注意以下五要素
(1)主格人称代词要变成相应的复数主格人称代词,即I→we, you→you,
she,he,it→ they。
如:She is a girl. →They are girls.
(2)am,is要变为are。如:I’m a student. →We are students.
(3)不定冠词a,an要去掉。如:He is a boy. →They are boys.
(4)普通单数名词要变为复数形式。如:It is an apple. →They are apples.
(5)指示代词this,that要变为these,those。如:This is a box. →These are boxes.
小学英语知识点
1.人称代词
主格: I we you she he it they
宾格: me us you her him it them
形容词性物主代词:my our your her his its their
名词性物主代词: mine ours yours hers his its theirs
2.形容词和副词的比较级
(1) 一般在形容词或副词后+er older taller longer stronger, etc
(2) 多音节词前+more more interesting, etc.
(3) 双写最后一个字母,再+er bigger fatter, etc.
(4) 把y变i,再+er heavier, earlier
(5) 不规则变化: well-better, much/many-more, etc.
3.可数词的复数形式
Most nouns + s a book –books
Nouns ending in a consonant +y - y+ ies a story—stories
Nouns ending in s, sh, ch or x + es a glass—glasses a watch-watches
Nouns ending in o +s or +es a piano—pianos a mango—mangoes
Nouns ending in f or fe - f or fe +ves a knife –knives a shelf-shelves
4.不可数名词(单复数形式不变)
bread, rice, water ,juice etc.
5. 缩略形式
I’m = I am
you’re = you are
she’s = she is
he’s = he is
it’s = it is
who’s =who is
can’t =can not
isn’t=is not etc
6. a/an
a book,
a peach
an egg
an hour
7. Preposition:
on, in ,in front of, between, next to, near, beside, at, behind.
表示时间: at six o’clock, at Christmas, at breakfast
on Monday on 15th July On National Day in the evening in December in winter
8. 基数词和序数词
one – first two-second twenty-twentieth
9. Some /any I have some toys in my bedroom.
Do you have any brothers or sisters?
10. be 动词
(1) Basic form: am/are/is
(2) 肯定和否定句 I am(not) from London.
My eyes are(not) small.
My hair is(not) long.
(3)一般疑问句: Am I a Chniese? Yes, you are. No, you aren’t.
Are they American? Yes, they are. No, they aren’t.
Is the cat fat? Yes, it is. No, it isn’t.
11. there be 结构 肯定句:
There is a … There are …
一般疑问句:Is there …? Yes, there is./ No, there isn’t. Are there…?
Yes, there are. /No, there aren’t.
否定句: There isn’t …. There aren’t….
12. 祈使句 Sit down please Don’t sit down, please.
13. 现在进行时。通常用“now”。 形式:
be + verb +ing eg: I am(not) doing my homework.
You/We/They are(not) reading.
He/She/It is(not) eating.
动词 —ing 的形式
Most verbs +ing walk—walking
Verbs ending in e -e + ing come—coming
Short verbs ending in a vowel + a consonant
run –running swim—swimming
14 一般现在时。
通常用 “usually, often, every day, sometimes”。
肯定句: I go to school on foot every day. She goes to school on foot every day.
一般疑问句: Do you jump high? Yes, I do. / No, I don’t. Does he jump high? Yes, he does. / No, he doesn’t.
否定句: We don’t go to school on Sundays. My mother doesn’t like watching TV in the evening.
15. (情态)动词can,must, should 后面直接用动词原形。
eg: 1. I / He / She / They can sing.
2.You should keep quiet in the library.
16. 一般过去时态
(a) be 动词的过去式: I/He/she/it was(not)…. You/we/they were….
一般疑问句was, were 放在句首。
(b) 动词过去式:
肯定句: I watched cartoons. She visited the zoo.
一般疑问句: Did you read book last night? Yes, I did. No, I didn’t. Did she clean the desk just now? Yes, she did. No, she didn’t. 否定句: They didn’t go the the part yesterday. He didn’t make model ships last week.
(3)动词过去式的变化:
规则动词的变化:
Most verbs +ed eg. planted,watered,climbed。
Verbs ending in e +d eg liked。
Verbs ending in a consonant +y --y +ied
eg : study—studied Short verbs ending in a vowel + a consonant
eg: stop --stopped
不规则动词的变化:
is/am—was,
are—were,
do—did,
have/has—had,
make—made,
fly-flew/u:/ eat—ate,
take—took,
run—ran,
sing—sang,
drink—drank 等等
17. “Wh-” questions.
What are you doing? What colour is it?
Which is your watch, the yellow one or the white one?
How much is the toy bear?
语法
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.我每天六点起床。
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。
一般现在时的变化
1. be动词的变化。
否定句:主语+ be + not +其它。
如:He is not a worker.他不是工人。
一般疑问句:Be +主语+其它。
如:-Are you a student? -Yes. I am. / No, Im not.
特殊疑问句:疑问词+一般疑问句。如:Where is my bike?
2.行为动词的变化。
否定句:主语+ dont( doesnt ) +动词原形(+其它)。如:
I dont like bread.
当主语为第三人称单数时,要用doesnt构成否定句。如:
He doesnt often play.
一般疑问句:Do( Does ) +主语+动词原形+其它。如:
- Do you often play football?
- Yes, I do. / No, I dont.
当主语为第三人称单数时,要用does构成一般疑问句。如:
Does she go to work by bike?
- Yes, she does. / No, she doesnt.
特殊疑问句:疑问词+一般疑问句。如:How does your father go to work?
小结:
通常用时间状语 “usually, often, every day, sometimes”。
肯定句:
I go to school on foot every day.
She goes to school on foot every day.
一般疑问句:
Do you jump high? Yes, I do. / No, I don’t.
Does he jump high? Yes, he does. / No, he doesn’t.
否定句: We don’t go to school on Sundays.
My mother doesn’t like watching TV in the evening.
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