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高三英語知識點(diǎn)最新精選分享5篇
高三英語知識點(diǎn)最新精選分享5篇1
(1)—How about coming to my house?
—I’d love to if it doesn’t give you so much trouble.
在hope, like, love, promise, want, wish等詞后作賓語的'不定式常省略。再如：
You may go if you want to.
She can get a job if she hopes to.
—How about going hunting with me tomorrow?
—I’d like to, but I have no time.
(2)Don’t close the window until I ask you to.
在allow, ask, tell 等詞后作賓語補(bǔ)足語的不定式常省略。再如：
Don’t touch the light unless your mother allows you to.
Don’t plant potatoes until the peasant tells you to.
(3)He didn’t want to hand in his composition, but he had to.
在be able to, be going to, have to, need to, enough to, used to等后的不定式需省略。再如：
I don’t sing much, now, but I used to a lot.
If you don’t want to say anything at the meeting, you don’t need to.
She didn’t go out last night, because she was afraid to.
在afraid, glad, happy, pleased, sorry等詞后作狀語的不定式常省略。再如：—Will you go with me to see the film tonight?
—I’ll be glad to
高三英語知識點(diǎn)最新精選分享5篇2
一、不定式做主語：
1、不定式做主語一般表示具體的某次動(dòng)作。===動(dòng)名詞doing 表示習(xí)慣的'，經(jīng)常的動(dòng)作。
e.g: To finish the building in a month is difficult.
To do such things is foolish.
To see is to believe. (對等)
注: 1). 不定式作主語時(shí),謂語用單數(shù)
2). 當(dāng)主語較長，謂語較短時(shí)，常用it做形式主語，而將不定式放到謂語的后面。
it做形式主語，不定式放在謂語動(dòng)詞之后常用于下列結(jié)構(gòu)中：
(1)It is/was +adj.+of sb. to do…
(2) It is +adj.+for sb.+to do…
It is easy / difficult / hard / foolish / unwise / right / wrong / unnecessary
(3) it is +a +名詞+ to do...
It is a pity / a pleasure / a pleasant thing / one’s duty / an honor / a shame / a crime / no easy job… to do
It takes (sb.) some time / courage / patience …to do…
It requires courage / patience / hard work… to do…
注意: probable 和 possible 均可作表語，但possible可以用不定式作真實(shí)主語， 而probable不能用不定式作真實(shí)主語。
It is probable for him to come to the meeting.(錯(cuò))
It is possible for him to come to the meeting.
It is possible / probable that he will come to the meeting.
二、不定式做表語
主語是以aim duty hope idea intention plan job suggestion wish purpose task 等為中心詞的名詞詞組 或以 what 引導(dǎo)的名詞性從句表示，后面的不定式說明其內(nèi)容, 不定式作表語常表示將來或現(xiàn)在的動(dòng)作或狀態(tài)。
eg :My idea is to climb the mountain from the north.
Your mistake was not to write that letter.
What I would suggest is to start work at once.
高三英語知識點(diǎn)最新精選分享5篇3
核心單詞
1. persuade
vt.說服;勸服;使相信(同convince)
常用結(jié)構(gòu)：
persuade sb. of sth. 使某人相信某事
persuade sb. to do sth. 說服某人做某事
persuade sb. into doing sth. 說服某人做某事
persuade sb. out of doing sth. 說服某人不要做某事
persuade sb. that-clause 使某人相信……
聯(lián)想拓展
talk sb. into/out of doing sth.=reason sb. into/out of doing sth.說服某人做/不做某事
trick sb. into/out of doing sth. 誘使某人做/不做某事
urge sb. into/out of doing sth. 慫恿某人做/不做某事
易混辨析
advise/persuade
advise 強(qiáng)調(diào)"勸告，建議"的動(dòng)作，不注重結(jié)果;而persuade強(qiáng)調(diào)"已經(jīng)說服"，重在結(jié)果。用法上：advise可跟v.-ing形式作賓語，也可以接that-clause (that sb. should do),而persuade則不能。
I persuaded him of its truth. 我使他相信這是真的。
We will persuade him to take the medicine.
我們將說服他把藥吃下去。
We persuaded her into taking the job.
我們說服她接受了這份工作。
I persuaded my father out of smoking.
我勸服父親戒了煙。
高三英語知識點(diǎn)最新精選分享5篇4
1. win, beat, defeat 表示獲勝、取勝的詞語
(1) win v. 贏……，獲勝，接比賽或獎(jiǎng)項(xiàng) win a game / a prize / an honor / a race. / Our team won the game 8 to 7. / He won by five points. / He won her love at last. / He won the first place in the competition.
(2) beat + 對手，表打敗(尤指體育比賽) I can easily beat him at golf.
(3) defeat 表戰(zhàn)勝，接對手The enemy was defeated in the battle.
2. in the end, finally, at last
三者均可表示“(經(jīng)過周折、等待、耽誤)最后，終于”之意。不同的是：
finally 一般用在句中動(dòng)詞前面，而 at last 與 in the end 的位置則較為靈活;
三者中at last 語氣最為強(qiáng)烈，且可單獨(dú)作為感嘆句使用。After putting it off three times, we finally managed to have a holiday in Dalian. / At last he knew the meaning of life. / At last! Where on earth have you been? / But in the end he gave in.
另外，finally還可用在列舉事項(xiàng)時(shí)，引出最后一個(gè)內(nèi)容，相當(dāng)于lastly。 Firstly, we should make a plan; secondly, we should carry it out; finally we should make a conclu- sion.
3. by sea, by the sea, in the sea, on the sea, at sea
(1) by sea “走海路，乘船”，用來表示交通方式，同 by ship 同義。 These heavy boxes should be sent by sea.
(2) by the sea “在海邊”，相當(dāng)于 by (at) the seaside。The children enjoyed themselves by the sea on Children's Day.
(3) in the sea “在海里，在海水中” There are many plants and animals in the sea.
(4) on the sea “在海面上”，“在海岸邊”。I want to live in a town with a beautiful position on the sea.
(5) at sea 在海上;在航海 When he woke up, the ship was at sea.
4. be afraid, be afraid to do sth., be afraid of (doing) sth.
(1) be afraid 意為“擔(dān)心，害怕”，多用于口語，常用來表示一種歉意，或遺憾，后可接 so 或 not，也可接 that 從句。I'm afraid (that) 其語意相當(dāng)于 I'm sorry, but...。
-- Are we on time? 我們準(zhǔn)時(shí)嗎? -- I'm afraid not. 恐怕不準(zhǔn)時(shí)。I'm afraid you'll get caught in the rain.
(2) be afraid to do sth 常表示“由于膽小而不敢做某事”。She is afraid to be here alone. / He is afraid to jump into the river from the bridge.
(3) be afraid of (doing) sth. 常表示“擔(dān)心或害怕某事(發(fā)生)”。I was afraid of hurting her feelings.
5. live, living, alive, lively
(1) live adj.
�、� 活的;活生生的;(只修飾生物;只作前置定語) The laboratory is doing experiments with several live monkeys.
�、� 實(shí)況直播的 (不是錄音)It wasn't a recorded show. It was live.
�、� 帶電的;燃著的';可爆炸的 This is a live wire.
(2) living adj. 活著的，有生命的(作表語或定語) She was, he thought, the best living novelist in England. / The old man is still living. (或alive)
(3) alive adj. ① 活著的;② 有活力的;有生氣
作后置定語：Who's the greatest man alive?
作表語：Was the snake alive or dead? / My grandmother is more alive than a lot of young people.
作補(bǔ)語：Let's keep the fish alive.
(4) lively adj. 活潑的;有生氣的;活躍的(作表語或定語) The music is bright and lively.
高三英語知識點(diǎn)最新精選分享5篇5
一、一般過去將來時(shí)
1.概念：立足于過去某一時(shí)刻，從過去看將來，常用于賓語從句中。
2.時(shí)間狀語：The next day (morning, year…),the following month(week…),etc.
3.基本結(jié)構(gòu)：主語+was/were +going to + do+其它;主語+would/should + do+其它
4.否定形式：主語+was/were+not + going to + do; 主語+would/should + not + do.
5.一般疑問句：was或were放于句首;would/should 提到句首。
6.例句：He said he would go to Beijing the next day.他說他第二天要去北京。
I asked who was going there.我問，誰要去那里。
二、 現(xiàn)在進(jìn)行時(shí)
1.概念：表示現(xiàn)階段或說話時(shí)正在進(jìn)行的動(dòng)作及行為。
2.時(shí)間狀語：Now, at this time, days, etc. look. listen
3.基本結(jié)構(gòu)：主語+be +doing +其它
4.否定形式：主語+be +not +doing+其它
5.一般疑問句：把be動(dòng)詞放于句首。
6.例句：How are you feeling today?你今天感覺如何?
He is doing well in his lessons.在課上他表現(xiàn)得很好。
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