1.高三上册英语复习知识点
(1)一般现在时:am /is /are +及物动词的过去分词;
例:i am asked to the party today.
(2) 一般过去时:was /were+及物动词的过去分词;
例:i was asked to the party last night.
(3) 现在进行时:am /is /are being +及物动词的过去分词;
例:i am being asked to the party today.
(4) 过去进行时:was /were being +及物动词的过去分词;
例:i was being asked to the party that time.
(5)一般将来时:助动词will +be +及物动词的过去分词;
或:am /is /are going to +be +及物动词的过去分词;
例:i will be asked to the party tomorrow.
例:i am going to be asked to the party tomorrow.
(6)过去将来时:助动词would +be +及物动词的过去分词;
或:was /were going to +be +及物动词的过去分词;
例:i would be asked to the party the next day.
例:i was going to be asked to the party the next day.
(7)现在完成时:助动词has /have +been +及物动词的过去分词;
例:i has been asked to the party today.
(8) 过去完成时:助动词had +been +及物动词的过去分词;
例:i had been asked to the party the day before.
另外,含有情态动词的被动语态构成为:情态动词+助动词be +及物动词的过去分词.
例:i may be asked to the party today.
2.高三上册英语复习知识点
自身代词概说
表示反射(指一个动作回射到该动作执行者本身.或强调(即用来加强名词或代词的.语气.的代词叫做自身代词。
自身代词的用法
1.在句中作宾语,表示动作回到动作执行者的本身。如:
Please help yourself to some lea.请自己用茶。(作help的宾语.
The girl is too young to look after herself.这女孩太小,还不能照顾自己。(作look after的宾语.
He was always ready to help others; he never thought of himself他总是帮助别人,从不想到自己。(作thought of的宾语.
2.在句中作名词或代词的同位语,用来加强名词或代词的语气,作"亲自"、"本人"解。它在句中可置于名词、代词之后,也可置于句子末尾。如:
You yourself said so.你自己是这样说的。
The desk itself is not so heavy.书桌本身并不重。
I fixed the window myself.这窗户是我自己装的。
3.高三上册英语复习知识点
一般现在时
1. 表示现在习惯或经常反复发生的动作或存在的状态, 常与usually, always, sometimes, often, every day / week / month / year等时间状语连用。
[例句] He often does his homework in his study.
2. 表示主语现在的特征、性格和状态。
[例句] The dictionary belongs to me.
3. 表示客观规律或科学真理、格言, 以及其他不受时间限制的客观存在。
[例句] The moon goes around the sun.
4. 在有连词if, unless, before, as soon as, when, once, however等引导的时间、条件和让步状语从句中, 用一般现在时表将来。
[例句] If you work hard, you won’t fail in the exam.
4.高三上册英语复习知识点
情态动词
一、表示许可:有may, might, can, could。其中might. could则语气较委婉,但回答由他们引起的问句时,则不用might, could而用can。
1) May Might Can Could I keep the book for a few days? Yes, you can.
否定形式可用may not, can not或must not,不用might not。
2)Visitors may not (或can not/mustn't) touch the button.
二、表示能力:can; be able to. be able to用于各种时态。在一般过去时中,若指“能够并且通过某种努力完成某桩事”,我们必须用be able to。
1) Cats can are able to climb trees very quickly.
2) A big fire broke out last night, but everyone was able to escape from the house.
三、表示“责任和义务”的情态动词有must(主观),have to(客观), mustn’t表示“不可以、不允许”,而have to否定形式:not have to/ needn't。
1) As there was no bus, we had to walk back home. (客观条件)
2) You mustn't shout like that to your parents. (不可以、不允许)
3) You don't have to needn’t work if you don't feel well.
5.高三上册英语复习知识点
1. cata-表示“向下,相反,离开”
2. deca-表示“十”
3. deci-表示“十分之一”
4. demi-表示“半”
5. endo-表示“内部”
6. hecto-表示“百,许多”
7. hemi-表示“半”
8. hepta-表示“七”
9. hexa-表示“六”
10. holo-表示“全部”
11. intra-表示“在内,内部”
12. iso-表示“等,同”
13. kilo-表示“一千”
14. meta-表示“超过,改变”
15. milli-表示“千,千分之一”
16. ob-表示“逆,倒,加强意义”
17. octa-表示“八”(亦作octo)
18. penta-表示“五”
19. quadri-, quadru-表示“四”
20. quasi-表示“类似,准”
21. semi-表示“半”
22. sept,septi-表示“七”
23. sex-表示“六”
24. step-表示“后,继或前夫(妻)所生”
25. stereo-表示“立体”
26. supra-表示“超….”
27. tetra-表示“四”
28. tri-表示“三”
29. twi-表示“二,两”
30. uni-表示“一个,单一”
6.高三上册英语复习知识点
各种时态的被动语态
被动语态概述
被动语态的概念:它是动词的一种形式,表示主语与谓语之间的执行或被执行关系。主动语态表示主语是谓语动作的执行者,例如:They saw the little boy crying by the river. 被动语态表示主语是谓语动作的承受者,例如:The little boy was seen crying by the river.
被动语态的构成
被动语态的形式是由“助动词be+动词的过去分词”构成。助动词be随着主语的人称、数、时态等的不同而变化。几种常见时态的被动语态形式如下:
1. 一般现在时 am/is/are + 过去分词
例如:Rice is planted in the south of China.
2. 一般过去时 was/were + 过去分词
例如:These trees were planted the year before last.
3. 一般将来时 will/shall + be + 过去分词
例如:A sports meeting will be held next week in our school.
4. 现在进行时 am/is/are + being + 过去分词
例如:Your radio is being repaired now.
5. 过去进行时 was/were + being + 过去分词
When he got there, the problem was being discussed.
6. 现在完成时 have/has + been + 过去分词
His work has been finished.
Has his work been finished? Yes, it has. / No, it hasn’t.
7. 过去完成时 had + been + 过去分词
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