高三英語課前預(yù)習(xí)的知識(shí)點(diǎn)分析
英語學(xué)習(xí)首先是一種“模仿”,因此準(zhǔn)確、大量的記憶是學(xué)好英語的基礎(chǔ)和前提。為了減少遺忘,提高記憶的效率,同學(xué)們?cè)谌粘5膶W(xué)習(xí)中應(yīng)做到“過度”學(xué)習(xí),及時(shí)復(fù)習(xí),循環(huán)往復(fù),不留“夾生飯”。以下是小編給大家整理的高三英語課前預(yù)習(xí)的知識(shí)點(diǎn)分析,希望大家能夠喜歡!
高三英語課前預(yù)習(xí)的知識(shí)點(diǎn)分析1
一.主語從句
主語從句是在復(fù)合句中充當(dāng)主語的從句,通常放在主句謂語動(dòng)詞之前或由形式主語it代替,而本身放在句子末尾。
1. It 作形式主語和it引導(dǎo)強(qiáng)調(diào)句的比較。
It 作形式主語代替主語從句,主要是為了平衡句子結(jié)構(gòu),主語從句的連接詞沒有變化。而it引導(dǎo)的強(qiáng)調(diào)句則是對(duì)句子某一部分進(jìn)行強(qiáng)調(diào),無論強(qiáng)調(diào)的是什么成分,都可用連詞that。被強(qiáng)調(diào)部分指人是也可用who/whom。
例如:
It is a pity that you didn’t go to see the film.
It doesn’t interest me whether you succeed or not.
It is in the morning that the murder took place.
It is John that broke the window.
2. 用it 作形式主語的結(jié)構(gòu)。
(1) It is +名詞+從句
It is a fact that … 事實(shí)是…
It is an honor that …非常榮幸
It is common knowledge that …是常識(shí)
(2) it is +形容詞+從句
It is natural that… 很自然…
It is strange that… 奇怪的是…
(3) it is +不及物動(dòng)詞+從句
It seems that… 似乎…
It happened that… 碰巧…
(4) it +過去分詞+從句
It is reported that… 據(jù)報(bào)道…
It has been proved that… 已證實(shí)…
3. 主語從句不可位于句首的五種情況。
(1) if 引導(dǎo)的主語從句不可居于復(fù)合句句首。
(2) It is said , (reported) …結(jié)構(gòu)中的主語從句不可提前。
例如:
It is said that President Jingo will visit our school next week. (right)
That President Jiang will visit our school next week is said. (wrong)
(3) It happens…, It occurs… 結(jié)構(gòu)中的主語從句不可提前。
例如:
It occurred to him that he failed in the examination. (right)
That he failed in the examination occurred to him. (wrong)
(4) It doesn’t matter how/whether …結(jié)構(gòu)中的主語從句不可提前。
例如:
It doesn’t matter whether he is wrong or not. (right)
Whether he is wrong or not doesn’t matter. (wrong)
(5) 含主語從句的復(fù)合句是疑問句時(shí),主語從句不可提前。
例如:
Is it likely that it will rain in the evening? (right)
Is that will rain in the evening likely? (wrong)
4. What 與that 在引導(dǎo)主語從句時(shí)的區(qū)別。
What 引導(dǎo)主語從句時(shí)在句時(shí)在從句中充當(dāng)句子成分,如主語.賓語.表語,而that 則不然。
例如:
1) What you said yesterday is right.
2) That she is still alive is a consolation.
高三英語課前預(yù)習(xí)的知識(shí)點(diǎn)分析2
Computers
一、重點(diǎn)短語
1. in common 共同的in common with 和…一樣 We have much/a lot /nothing /little /something in common.我們有很多/沒有/幾乎沒有/有一些相似之處。
2.put… in order把…排序in order按順序; 整齊out of order次序紊亂;(機(jī)器等)失靈; 出故障
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3. compare …with…把…與…想比 compare …to… 把…比作… compared with與…想比
4. over time 久而久之 5.begin as作為…開始 6. technological revolution科技革命
7. from then on. 從那時(shí)起 from now on 從現(xiàn)在起 8. artificial intelligence 人工智能
9. in size and in brainpower 在體積和腦容量上 10.as a result結(jié)果as a result of作為…的結(jié)果
11. go by(時(shí)間)流逝,過去 pass by經(jīng)過 12. human beings, human race, mankind人類
13. provide sb. with sth.= provide sth. for sb.給某人提供某物 14.be filled with充滿
14. a life of high quality高質(zhì)量生活 15. in reality事實(shí)上16. be crazy about?癡迷于,醉心于
17. do research into 進(jìn)行?的研究 18. have a good shot for a goal. 好好地射一個(gè)球
19. a devoted friend一個(gè)忠實(shí)朋友 20. be connected with …與…有聯(lián)系 21. get together 聚會(huì)
22.make up 組成,構(gòu)成
23.in the early 1960s在20世紀(jì) 60 年代早期 24. on the football team在球隊(duì)中
25. come true 實(shí)現(xiàn),達(dá)到 My dream comes true.我夢(mèng)想成真。realize one’s dream 實(shí)現(xiàn)夢(mèng)想
26. in a way=in one way=in some ways從某種程度上說,從某些方面來說in the/one’s way擋路,礙事 on the/one’s way to …在去…的路上in this way用這種方法by the way 順便提一下 by way of London 途經(jīng)倫敦 lose one's way 迷路, 迷失方向 in no way絕不
27. after all畢竟,終究 in all=in total總共 above all尤其重要的是,首先 first of all首先,起初 not at all根本不,一點(diǎn)也不 all in all 總之
28. by oneself=on one’s own獨(dú)自 29. watch over 看守,照管,監(jiān)視 30.mobile phone手機(jī)
31. with the help of在…的幫助下 32. what’s more=in addition 更重要的是,而且,另外
二、重點(diǎn)句型
1. ?it nearly took two hundred years before I was built as an analytical machine?差不多到了200年之后我才被做成分析機(jī)。
It takes/took/be+時(shí)間段+before… “多久之后才…”
2. As time went by. 隨著時(shí)間的推移。
三、語法----被動(dòng)語態(tài)
(一)概念:主動(dòng)語態(tài)表示主語是動(dòng)作的執(zhí)行者,被動(dòng)語態(tài)表示主語是動(dòng)作的承受者。
(二)各種時(shí)態(tài)被動(dòng)語態(tài)的形式
1.一般現(xiàn)在時(shí)的被動(dòng)語態(tài) am/is/are + done
2.一般過去時(shí)的被動(dòng)語態(tài) was/were + done
3.一般將來時(shí)的被動(dòng)語態(tài) ⑴will/shall be done ⑵be going to be done ⑶be to be done
4.現(xiàn)在進(jìn)行時(shí)的被動(dòng)語態(tài) is/am/are + being + done
表示說話人說話時(shí)或現(xiàn)階段正在進(jìn)行的動(dòng)作,經(jīng)常和時(shí)間副詞now (現(xiàn)在), right now (現(xiàn)在, 此刻), at present (現(xiàn)在,目前), at this moment (此刻)連用。
5.現(xiàn)在完成時(shí)的被動(dòng) have/has been done
現(xiàn)在完成時(shí)常與already, always, often, ever, never, yet, not...yet, just等不表示明確的時(shí)間副詞連用, 還可以和表示時(shí)間一直延續(xù)到目前的帶(ever )since, for的狀語及包括現(xiàn)在在內(nèi)的詞連用。如: now, today, this month, this year, recently, these days,many times, so far, by now, in the past/last few days/years… 等。
6. 過去完成時(shí)的被動(dòng) had been done
7. 過去將來時(shí)的被動(dòng) would be done
8. 過去進(jìn)行時(shí)的被動(dòng) was/were being done
9. 帶情態(tài)動(dòng)詞的被動(dòng)語態(tài) 情態(tài)動(dòng)詞 + be done
10. 動(dòng)詞不定式的被動(dòng)式 to be done (三)注意事項(xiàng):
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1. 并不是所有動(dòng)詞都有被動(dòng)語態(tài)
happen, take place, break out, belong to, cost, last
2. 短語動(dòng)詞、固定搭配變被動(dòng)語態(tài)介詞副詞不省。 E.g. Time should be made full use of.
3. 雙賓語:一個(gè)賓語成主語,另一主語保留不變。 E.g. Mother will buy me an iphone5. → I will be bought an iphone5 (by my mother) .
→ An iphone5 will be bought for me (by my mother) .
4. 復(fù)合賓語(含賓補(bǔ)) 省to動(dòng)詞不定式變被動(dòng)還原to
使役:make sb. do sth.→Sb. be made to do sth.
感官類:see/hear sb. do sth. →Sb. be seen/heard to do sth.
e.g. Mum made me clean the floor. →I was made to clean the floor.
高三英語課前預(yù)習(xí)的知識(shí)點(diǎn)分析3
助動(dòng)詞
1)協(xié)助主要?jiǎng)釉~構(gòu)成謂語動(dòng)詞的詞叫助動(dòng)詞。被協(xié)助的動(dòng)詞稱作主要?jiǎng)釉~。助動(dòng)詞自身沒有詞義,不可單獨(dú)使用。例如:
He doesn′t like English. 他不喜歡英語。
(doesn′t是助動(dòng)詞,無詞義;like是主要?jiǎng)釉~,有詞義)
2) 助動(dòng)詞協(xié)助主要?jiǎng)釉~完成以下功用,可以用來:
a. 表示時(shí)態(tài)。例如:
He is singing. 他在唱歌。(北京安通學(xué)校提供)
He has got married. 他已結(jié)婚。
b. 表示語態(tài)。例如:
He was sent to England. 他被派往英國。
c. 構(gòu)成疑問句。例如:
Do you like college life? 你喜歡大學(xué)生活嗎?
Did you study English before you came here? 你來這兒之前學(xué)過英語嗎?
d. 與否定副詞not合用,構(gòu)成否定句。例如:
I don′t like him. 我不喜歡他。
e. 加強(qiáng)語氣。例如:
Do come to the party tomorrow evening. 明天晚上一定來參加晚會(huì)。
He did know that. 他的確知道那件事。
3) 最常用的助動(dòng)詞有:be, have, do, shall, will, should, would等。
3 助動(dòng)詞be的用法
1) be +現(xiàn)在分詞,構(gòu)成進(jìn)行時(shí)態(tài)。例如:
They are having a meeting. 他們正在開會(huì)。
English is becoming more and more important. 英語現(xiàn)在越來越重要。(北京安通學(xué)校提供)
2) be + 過去分詞,構(gòu)成被動(dòng)語態(tài)。例如:
The window was broken by Tom.. 窗戶是湯姆打碎的。
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