2017高考英語必考知識點
英語學習,作爲一門語言藝術的研究,在我國得到了越來越多的重視。下面本站小編給你分享2017高考英語必考知識點，歡迎閱讀。
句型1
would rather that somebody did…"寧願……;更願意……"(表示現在或將來的願望)
would rather that somebody had done…"寧願……;更願意……"(表示過去的願望)
[例句]
I'd rather you posted the letter right now. 我想讓你現在去寄信。
I'd rather you were not a celebrated actor. In that case, we could spend more time together.我到情願你不是個知名演員，這樣我們可以有更多的時間在一起。
I'd rather that I hadn't seen her yesterday. 我情願昨天沒有看到她。
句型2
as if/though+主語+did/had done…好像……(表示現在或將來的情況用過去時;表示過去的情況用過去完成時)[參考句型4]
[例句]
Alan talked about Rome as if he had been there. Alan談起羅馬來就好像他去過那裏似的。
句型3
"wish +賓語從句"，表示不大 可能實現的願望
表示現在的願望：主語+過去時;
表示過去的願望：主語+had done;
表示將來的願望：主語+would/could do
[例句]
How I wish we students had more free time to relax ourselves! 我們學生多麼希望有更多的自由時間放鬆自己!
句型4
It's high/about time that somebody did (should do) (should通常不省略) …早就該……
[例句]
It's high time that we did something to improve our environment. 該是我們爲環保做些事情了。
I think it's high time that she made up her mind. 我想她該拿定主意了。
句型5
情態動詞+動詞不定式完成結構的用法
could have done "本來可以……"(表示過去沒有實現的可能)。
might have done "本來可能……;本來應該或可以做某事"(實際沒有發生;含有輕微的責備語氣。
should/ought to have done "本來該做某事"(而實際未做)
should not/ought not to have done "本來不該做"(實際卻做過了，含有責備語氣)
needn't have done "本來不必做"(但是已經做過了)
would rather have done "當時寧願做了某事"(實際沒有做過);否定式would rather not have done表達相反意思，兩者都有表示"後悔"之意。
句型6
as, though, although引導的讓步狀語從句。
[注意]although位於句首;though位於句首或句中;as位於句中=though。它的詞序是把句中強調的形容詞、副詞、動詞或名詞放在連詞前。[參考倒裝結構] 請注意下列句式的變化：
[例句]
Although/Though I'm young, I already know what career I want to follow.
→Young as/though I am, I already know what career I want to follow.我雖然年輕，但我已經明白我應該追隨什麼樣的事業。
Strange as it may seem, nobody was injured in the accident. 這次意外雖然顯得不可思議，卻沒有人受傷。
Much as I would like to help, I have a lot to do. 雖然我很想幫助你，但是我有很多事要做。
Object as you may, I will go. 縱使你反對，我也要去。
句型7
…before…特殊用法(1)"沒來得及……就……"
[例句]
The roof fell before he had time to dash into the room to save his baby.他還沒有來得及衝進房間救孩子，房頂就塌了。
He ran off before I could stop him. 我還沒有來得及阻止，他已經跑了。
To my great disappointment, my favorite singer left the concert before I could have a word with her.讓我非常失望的是，我還沒有來得及和我最喜歡的歌手打招呼，她就已經離開了。
句型8
…before…特殊用法(2)"過了多久才……"或"動作進行到什麼程度才……"
[例句]
They walked about fifty miles to the west before they saw a village.他們西行50英里纔看到一個村莊。
The workers worked day and night about three days before everything returned to normal.工人們連續工作3天才使一切恢復正常。
句型9
It was + 時間段+before…."過了多久才(怎麼樣)……"
It was not long before…."不久，就……"
It will (not) be +時間段+before…."要過多久(不久)……才……"(before從句謂語動詞要用一般時態)
[例句]
It was not long before he sensed the danger of the position.不久他就意識到他處境的危險。
It was five days before he came back. 五天後他纔回來。
It will be half a year before you graduate from the school. 再過半年你才能畢業。
It will not be long before they understand each other. 他們大概不久就會互相瞭解。
句型10
in case of…(+n.) "以防;萬一";
in case that…"以防，萬一……"(謂語動詞用一般現在時態或should+動詞原形)
[例句]
Please remind me about it in case I forget/should forget. 萬一我忘了，請提醒我。
Please take your umbrella in case (that it rains/should rain).帶上雨傘，以防下雨。
2017高考英語必考知識點(二)句型11
It強調句型
強調句的基本構成：It is/was + 被強調的部分 + who(主要指人時)/that + 其餘部分
[注意1]
這種結構可以強調句子的主語、賓語、狀語(包括時間，地點，方式，原因等)，但是不能強調謂語動詞(參考句型15)。
原句的謂語動詞如果是現在或將來時態，用It is…that/who….;
原句的謂語動詞如果是過去時態，用It was…that/who….;
強調時間、地點、原因或方式時不要用when, where或how, 必須用that。
[例句]
I saw him in the street yesterday afternoon.
→It was I who saw him in the street yesterday afternoon.(強調主語)
→It was in the street that I saw him yesterday afternoon.(強調地點狀語)
→It was yesterday afternoon that I saw him in the street.(強調時間狀語)
→It was him that/who I saw in the street yesterday afternoon.(強調賓語)
[注意2]強調句的疑問結構
一般疑問句 Is / Was it +被強調部分 +who / that …?
特殊疑問句 特殊疑問詞+is /was +it +who / that…?
What is/was it that…? Who is/was it that…? When is/was it that…?
Where is/was it that…? Why is/was it that…? How is/was it that…?
[例句1]
I saw him in the street yesterday afternoon.
→When was it that you saw him in the street?
→Who was it that you saw in the street yesterday afternoon?
→Where was it that you saw him yesterday afternoon?
[例句2]
I don't know when he will come back.
→I don't know when it is that he will come back.(賓語從句疑問詞後用陳述句語序)
-How was it that you got in touch with Mr. Smith? 你是怎麼和Smith先生聯繫上的?
-Trough a friend of mine. 通過一個朋友。
句型12
(1)、祈使句(表條件)+ or/or else/ otherwise + 主句(表結果)… "否則…，要不然…"
(2)、祈使句(表條件)+ and +主句(表結果)
[例句]
Please call me up before you come, otherwise/or else/or we might be out.你來之前打個電話，否則，我們也許會出去。
Give him an inch and he will take a mile. 得寸進尺。
Work hard and you will make progress every day. 好好學習，天天向上。
句型13
…until…."直到……時候";not…until…"直到……才……"
[例句]
You are to stay until/till your mother comes back. 你得等到你媽媽回來。
The meeting was put off until ten o'clock. 會議推遲到十點鐘。
The villagers didn't realize how serious the pollution was until all the fish died in the river.
→Not until all the fish died in the river did the villagers realize how serious the pollution was.(倒裝句)
等到湖裏的魚全死光了，村民們才意識到污染是多麼嚴重。
句型14
unless…"除非，如果不……"(=if…not)
[例句]
I shall go tomorrow unless it rains. 如果不下雨，我明天去。
-Shall Tom go and play football?
-Not unless he has finished his homework. 除非他完成作業，否則不能出去。
I won't go unless he comes to invite me himself.
除非他本人來邀請我，不然我是不會去的。
I won't attend his birthday party unless invited (=unless I am invited). 除非被邀請，否則我不去參加的生日晚會。
句型15
when引導的從句
when除了用來引導主語從句、賓語從句、時間狀語從句、表語從句和定語從句，還有一種用法值得關注，那就是when引導並列分句，意思是"這 時突然;就在那時"，強調另一個動作的突然發生。常用於以下句型中：(1)、主語 + be doing… when…意思是"正在做某事這時……";(2)、主語 + be about to do…when…;(3)、主語+be on the point of (doing) …when…意思是"正要去做某事這時……"
[例句]
One day Chuck was on a flight across the Pacific Ocean when suddenly his plane crashed. 有一天，Chuck正在太平洋上飛行，這時他的飛機突然爆炸了。
I don't know when he will arrive. 我不曉得他什麼時候到達。
I thought of the happy days when I was in Beijing. 我想起了在北京時的那段快樂日子。
I believe the time will soon come when there will be no weapons in the world. 我相信世界上沒有武器的日子不久就會到來。
I was walking along the river when I heard a drowning boy cry for help. 我正在河邊行走，這時我突然聽到一個落水男孩求救。
I was about to leave when it began to rain. 我剛要離開，這時下雨了。
[比較]
I was walking along the street when I caught sight of a tailor's shop. 我正在街上走，這時我看見一家裁縫店。
I was walking along the streets. Just at the moment I caught sight of a tailor's shop. 我在街上走。就在那時我看見一家裁縫店。
句型16
while引導的從句
while除了有"當/在……時候"的意思外(注意：引導的句子謂語動詞只能是延續性動詞!)，另外的兩層意思也是考查的重點： (1)while = although "儘管"、"雖然"，引導讓步狀語從句;(2)while的意思是"然而;可是"，常用來表達對比關係。
[例句]
While I admit that the problem is difficult, I don't think that they can't be solved.儘管我承認這個問題很難，但是我並不認爲無法解決。
While I admit his good points, I can see his shortcomings.雖然我承認他的優點，我也能看出他的缺點。
While I was angry with her, I didn't lose my temper.雖然我很生氣，但我當時沒有對她發脾氣。
While I understand your viewpoint, I don't agree with you. 雖然我瞭解你的見解， 我還是不能同意(你)。
I earn only 120 dollars a week, while she earns 180 dollars. 我一星期只賺120美元，她卻賺180美元。
句型17
where…(地點從句)
[注意]
where引導地點從句時，可以引導定語從句或是邏輯地點狀語從句。當它在定語從句中作地點狀語，指代地點時，這時可以用in which, on which, at which, to which, from which等結構代替。但是它引導邏輯地點狀語從句時，沒有這樣用法。
[例句]
You should put the book where it was. 把書放回原處。
Persistent people begin their success where others end in failure.不屈不撓者從他人失敗的地方獲取成功。
Where there is a will, there is a way. 有志者，事竟成。
Where men are greedy, there is never peace. 人類貪慾不止，世界和平無望。
Go where you should, keep on studying. 無論你到哪裏，你都應該繼續學習。
That is the building where my father works. 那是我父親工作的大樓。
Yesterday I went to the department store, where I met my teacher. 昨天我去百貨公司，就在那兒遇見了我的老師。
That's where a change is needed. 那就是需要變更的地方。
句型18
what引導的從句
what在英語中非常活躍,它可以用來引導主語從句、賓語從句、表語從句，但是不用來引導定語從句。在句子裏可以充當主語、賓語、表語、定語，既可以指人，也可以指物。
[例句]
What is the population of the world? 世界的人口有多少?
What did you pay for this picture? 這幅畫你付了多少錢?
What is most important in life isn't money. 人生最重要的並非是金錢。
Will you show me what you bought? 可以把你所買的東西給我看一下嗎?
Mary is no longer what she was ten years ago. Mary已經不是10年前的她了。
句型19
as引導的非限制性定語從句
在as引導的非限制性定語從句中，連接代詞as在句子中可以作主語、賓語或表語等，可以指人或物。其在定語從句中的位置比較靈活，即可以在句子 前面，在句子中間或句子末尾。常用的結構有：as we all know; as is well known to…; as is often the case; as is said/mentioned above; as has been said before; as I told you before; as is evident; as often happens; as can be seen; as is/was expected; as we expect; as I can remember等。
[注意1]as通常只指整個句子的內容，不表示部分內容。
[注意2]as引導的非限制性定語從句通常指"事先可以預料到的""料想到的"，表達"好"的方面。
[注意3]as引導限制性定語從句時，常構成the same…as…; such…as…; so/as …as…等結構。在從句中既可以指人、物，也可以指整個句子。
[例句]
This is also part of your work, as I told you before. 我曾告訴過你，這也是你工作的一部分。
The man was a teacher, as was evident from his way of speaking. 從那人說話的樣子可明顯看出，他是個老師。
Such ideas as he hits on are worthless. 像他那樣偶然想起的主意是無用的。
It's the same story as I heard from her yesterday. 這故事跟我從她那兒聽到的相同。
He will marry as pretty a girl as he can find. 他要儘可能找漂亮的女孩結婚。
Such people as have made great contributions to the world should be greatly respected.那些對世界做出巨大貢獻的人們應該受到極大的尊重。
句型20
which引導的非限制性定語從句(也引導限制性定語從句)
which引導的非限制性定語從句既可以指整個句子內容，也可以指句子的部分內容(如單詞或詞組等)，在句子中可以作主語、賓語(動詞或介詞 的)、定語等。注意它在句子中的位置：只能放在主句後，不能放在主句前。表達的內容是"不好的"、"事先沒有預料到的"等時，常用which，只指物。
[例句]
Yellowstone National Park, which is in Wyoming, is one of the most beautiful national parks in the world. 黃石國家公園位於懷俄明州，是世界上最美麗的國家公園之一。
The clock, which my grandfather bought, is still in good order. 這時鐘是我祖父買的，現在還走時很準。
The picture, for which he paid an enormous amount of money, was a forgery.那幅畫他花了一大筆錢購買，卻是幅贗品。
She changed her mind again, which made us all angry. 她又改變了主意，這使我們大家都生氣了。
I lived three years in Paris, during which time I learned French. 我在巴黎住了三年，在那期間我學了法語。
The weather turned out to be very good, which was more than we could expect. 天氣結果轉晴，是我們沒有預料到的。
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