初中英語(yǔ)知識(shí)點(diǎn)
在平凡的學(xué)習(xí)生活中，大家對(duì)知識(shí)點(diǎn)應(yīng)該都不陌生吧？知識(shí)點(diǎn)是知識(shí)中的最小單位，最具體的內(nèi)容，有時(shí)候也叫“考點(diǎn)”。哪些知識(shí)點(diǎn)能夠真正幫助到我們呢？以下是小編為大家整理的初中英語(yǔ)知識(shí)點(diǎn)，歡迎閱讀與收藏。
初中英語(yǔ)知識(shí)點(diǎn) 篇1
一般現(xiàn)在時(shí)的用法
1) 經(jīng)常性或習(xí)慣性的動(dòng)作,常與表示頻腮度的時(shí)間狀語(yǔ)連用.
時(shí)間狀語(yǔ)： every…, sometimes, at…, on Sunday
I leave home for school at 7 every morning.
2) 客觀(guān)真理,客觀(guān)存在,科學(xué)事實(shí).
The earth moves around the sun.
Shanghai lies in the east of China.
3) 表示格言或警句中
Pride goes before a fall. 驕者必?cái)?
注意：此用法如果出現(xiàn)在賓語(yǔ)從句中,即使主句是過(guò)去時(shí),從句謂語(yǔ)也要用一般現(xiàn)在時(shí).
例：Columbus proved that the earth is round..
4) 現(xiàn)在時(shí)刻的狀態(tài)、能力、性格、個(gè)性.
I don’t want so much.
Ann Wang writes good English but does not speak well.
比較：Now I put the sugar in the cup.
I am doing my homework now.
第一句用一般現(xiàn)在時(shí),用于操作演示或指導(dǎo)說(shuō)明的示范性動(dòng)作,表示言行的瞬間動(dòng)作.再如：Now watch me, I switch on the current and stand back. 第二句中的now是進(jìn)行時(shí)的標(biāo)志,表示正在進(jìn)行的動(dòng)作的客觀(guān)狀況,所以后句用一般現(xiàn)在時(shí).
一般過(guò)去時(shí)的用法
1）在確定的`過(guò)去時(shí)間里所發(fā)生的動(dòng)作或存在的狀態(tài).
時(shí)間狀語(yǔ)有：yesterday, last week, an hour ago, the other day, in 1982等.
Where did you go just now?
2）表示在過(guò)去一段時(shí)間內(nèi),經(jīng)常性或習(xí)慣性的動(dòng)作.
When I was a child, I often played football in the street.
Whenever the Browns went during their visit, they were given a warm welcome.
3）句型：
It is time for sb. to do sth "到……時(shí)間了" "該……了"
It is time sb. did sth. "時(shí)間已遲了" "早該……了"
It is time for you to go to bed. 你該睡覺(jué)了.
It is time you went to bed. 你早該睡覺(jué)了.
would (had) rather sb. did sth. 表示’寧愿某人做某事’
I’d rather you came tomorrow.
4) wish, wonder, think, hope 等用過(guò)去時(shí),作試探性的詢(xún)問(wèn)、請(qǐng)求、建議等.
I thought you might have some. 我以為你想要一些.
初中英語(yǔ)知識(shí)點(diǎn) 篇2
1. Shall
1）表征詢(xún)意見(jiàn)，用于第一、第三人稱(chēng)疑問(wèn)句。Shall I get some tea? 我給你點(diǎn)茶好嗎？
Shall the boy wait outside? 讓那男孩在外面等嗎？What shall we do this evening? 我們今晚做什么？
2）表說(shuō)話(huà)人的意愿，有"命令、允諾、警告、決心"等意思，用于第二、第三人稱(chēng)陳述句。
You shall do as I say. 按我說(shuō)的做。（命令）
You shall have my answer tomorrow. 你明天可以得到我的答復(fù)。
�。ㄔ手Z）He shall be sorry for it one day, I tell you. 有一天他會(huì)后悔的，我告訴你。
�。ň妫㎞othing shall stop us from carrying out the plan. 什么也不能阻止我們執(zhí)行這項(xiàng)計(jì)劃。（決心）
2. Will
1）表意愿，用于各種人稱(chēng)陳述句。I will do anything for you. 我愿為你做任何事。
None is so blind as those who won't see. 不愿看的人眼最瞎。
If you will read the這本書(shū)，我會(huì)把它借給你。
2）表請(qǐng)求，用于疑問(wèn)句。
Will you close the window? It's a bit cold. 請(qǐng)你把窗戶(hù)關(guān)上好嗎？有點(diǎn)冷。
Won't you drink some more coffee? 再來(lái)一點(diǎn)咖啡好嗎？
3）表示某種傾向或習(xí)慣性動(dòng)作。
Fish will die out of water. 魚(yú)離開(kāi)水就不能活。 The door won't open. 這門(mén)打不開(kāi)。
The boy will sit there hour after hour looking at the traffic go by. 那男孩常常坐在那里好幾個(gè)鐘點(diǎn)，看著車(chē)輛行人通過(guò)。
3. Should
1）表義務(wù)。意為"應(yīng)該"（某件事宜于做），用于各種人稱(chēng)。
You should be polite to your teachers. 你對(duì)老師應(yīng)該有禮貌。You shouldn't waste any time. 你不應(yīng)該浪費(fèi)時(shí)間。
2）表推測(cè)，意為"想必一定、照說(shuō)應(yīng)該、估計(jì)"等。
The film should be very good as it is starring first-class actors. 這部新電影是一流演員主演的，估計(jì)拍得很好。They should be home by now. 照說(shuō)他們現(xiàn)在應(yīng)當(dāng)已經(jīng)到家了。
4.Would
1）表意I said I would do anything for you. 我說(shuō)過(guò)我愿意為你做任何事。
2）表委婉地提出請(qǐng)求、建議或看法。Would you like another glass of beer? 再來(lái)杯啤酒好嗎？
Would you mind cleaning the window? 請(qǐng)把窗戶(hù)擦一下好嗎？
They wouldn't have anything against it. 他們不會(huì)有什么反對(duì)意見(jiàn)。
3）表過(guò)去反復(fù)發(fā)生的動(dòng)作或過(guò)去的一種傾向。Every time she was in trouble, she would go to him for help. 她每遇到麻煩都會(huì)向她求助。他告訴我盒子打不開(kāi)了。
5. ought to
1）表義務(wù)，意為"應(yīng)該"（因責(zé)任、義務(wù)等該做），口氣比should稍重。You are his father. You ought to take care of him. 你是他父親，應(yīng)當(dāng)管他。You oughtn't to smoke so much. 你不應(yīng)該抽這么多煙。
2）表推測(cè)，暗含很大的可能，語(yǔ)氣較弱。
Han Mei ought to know his telephone number. 韓梅該知道他的電話(huà)號(hào)碼。
There's a fine sunset; it ought to be a fine day tomorrow. 今天有晚霞，明天應(yīng)該是個(gè)好天。
6. used to 表示過(guò)去的習(xí)慣動(dòng)作或狀態(tài)，現(xiàn)在不復(fù)發(fā)生或存在。疑問(wèn)式和否定式有兩種。
He used to live in the countryside, but now he lives in the city.他過(guò)去住在鄉(xiāng)下，現(xiàn)在住在城里。
There used to be a building at the street corner, bn. 街道拐角處過(guò)去有座樓房，現(xiàn)在拆了。
I usedn't (didn't use) to smoke. 我過(guò)去不抽煙。
Used you (Did you use) to go to school on foot? 你過(guò)去常步行去學(xué)校嗎？
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