初中英語知識點
在平凡的學習生活中，大家對知識點應(yīng)該都不陌生吧？知識點是知識中的最小單位，最具體的內(nèi)容，有時候也叫“考點”。哪些知識點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知識點，歡迎閱讀與收藏。
初中英語知識點 篇1
一般現(xiàn)在時的用法
1) 經(jīng)常性或習慣性的動作,常與表示頻腮度的時間狀語連用.
時間狀語： every…, sometimes, at…, on Sunday
I leave home for school at 7 every morning.
2) 客觀真理,客觀存在,科學事實.
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. 驕者必敗.
注意：此用法如果出現(xiàn)在賓語從句中,即使主句是過去時,從句謂語也要用一般現(xiàn)在時.
例：Columbus proved that the earth is round..
4) 現(xiàn)在時刻的狀態(tài)、能力、性格、個性.
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,用于操作演示或指導說明的示范性動作,表示言行的瞬間動作.再如：Now watch me, I switch on the current and stand back. 第二句中的now是進行時的標志,表示正在進行的動作的客觀狀況,所以后句用一般現(xiàn)在時.
一般過去時的用法
1）在確定的`過去時間里所發(fā)生的動作或存在的狀態(tài).
時間狀語有：yesterday, last week, an hour ago, the other day, in 1982等.
Where did you go just now?
2）表示在過去一段時間內(nèi),經(jīng)常性或習慣性的動作.
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……時間了" "該……了"
It is time sb. did sth. "時間已遲了" "早該……了"
It is time for you to go to bed. 你該睡覺了.
It is time you went to bed. 你早該睡覺了.
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 等用過去時,作試探性的詢問、請求、建議等.
I thought you might have some. 我以為你想要一些.
初中英語知識點 篇2
1. Shall
1）表征詢意見，用于第一、第三人稱疑問句。Shall I get some tea? 我給你點茶好嗎？
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）表說話人的意愿，有"命令、允諾、警告、決心"等意思，用于第二、第三人稱陳述句。
You shall do as I say. 按我說的做。（命令）
You shall have my answer tomorrow. 你明天可以得到我的答復。
（允諾）He shall be sorry for it one day, I tell you. 有一天他會后悔的，我告訴你。
（警告）Nothing shall stop us from carrying out the plan. 什么也不能阻止我們執(zhí)行這項計劃。（決心）
2. Will
1）表意愿，用于各種人稱陳述句。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，我會把它借給你。
2）表請求，用于疑問句。
Will you close the window? It's a bit cold. 請你把窗戶關(guān)上好嗎？有點冷。
Won't you drink some more coffee? 再來一點咖啡好嗎？
3）表示某種傾向或習慣性動作。
Fish will die out of water. 魚離開水就不能活。 The door won't open. 這門打不開。
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鐘點，看著車輛行人通過。
3. Should
1）表義務(wù)。意為"應(yīng)該"（某件事宜于做），用于各種人稱。
You should be polite to your teachers. 你對老師應(yīng)該有禮貌。You shouldn't waste any time. 你不應(yīng)該浪費時間。
2）表推測，意為"想必一定、照說應(yīng)該、估計"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，估計拍得很好。They should be home by now. 照說他們現(xiàn)在應(yīng)當已經(jīng)到家了。
4.Would
1）表意I said I would do anything for you. 我說過我愿意為你做任何事。
2）表委婉地提出請求、建議或看法。Would you like another glass of beer? 再來杯啤酒好嗎？
Would you mind cleaning the window? 請把窗戶擦一下好嗎？
They wouldn't have anything against it. 他們不會有什么反對意見。
3）表過去反復發(fā)生的動作或過去的一種傾向。Every time she was in trouble, she would go to him for help. 她每遇到麻煩都會向她求助。他告訴我盒子打不開了。
5. ought to
1）表義務(wù)，意為"應(yīng)該"（因責任、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)當管他。You oughtn't to smoke so much. 你不應(yīng)該抽這么多煙。
2）表推測，暗含很大的可能，語氣較弱。
Han Mei ought to know his telephone number. 韓梅該知道他的電話號碼。
There's a fine sunset; it ought to be a fine day tomorrow. 今天有晚霞，明天應(yīng)該是個好天。
6. used to 表示過去的習慣動作或狀態(tài)，現(xiàn)在不復發(fā)生或存在。疑問式和否定式有兩種。
He used to live in the countryside, but now he lives in the city.他過去住在鄉(xiāng)下，現(xiàn)在住在城里。
There used to be a building at the street corner, bn. 街道拐角處過去有座樓房，現(xiàn)在拆了。
I usedn't (didn't use) to smoke. 我過去不抽煙。
Used you (Did you use) to go to school on foot? 你過去常步行去學校嗎？
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