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中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 語(yǔ)法百科全書 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) 客觀真理,客觀存在,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) ? 中國(guó)最龐大的資料庫(kù)下載 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 don39。t want so much. Ann Wang writes good English but does not speak well. 比較: Now I put the sugar in the cup. 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 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 wele. 3)句型: 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 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 39。寧愿某人做某事 39。 I39。d rather you came tomorrow. 4) wish, wonder, think, hope 等用過(guò)去時(shí),作試探性的詢問(wèn)、請(qǐng)求、建議等。 I thought you might have some. 我以為你想要一些。 比較: 一般過(guò)去時(shí)表示的動(dòng)作或狀態(tài)都已成為過(guò)去,現(xiàn)已不復(fù)存在。 Christine was an invalid all her life. (含義:她已不在人間。 ) Christine has been an invalid all her life. (含義:她現(xiàn)在還活著 ) Mrs. Darby lived in Kentucky for seven years. (含義:達(dá)比太太已不再住在肯塔基州。 ) Mrs. Darby has lived in Kentucky for seven years. ( 含義:現(xiàn)在還住在肯塔基州,有可能指剛離去 ) 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 注意: 用過(guò)去時(shí)表示現(xiàn)在,表示委婉語(yǔ)氣。 1)動(dòng)詞 want, hope, wonder, think, intend 等。 Did you want anything else? I wondered if you could help me. 2)情態(tài)動(dòng)詞 could, would. Could you lend me your bike? used to / be used to used to + do: 過(guò)去常常 表示過(guò)去習(xí)慣性的動(dòng)作或狀態(tài),但如今已不存在。 Mother used not to be so forgetful. Scarf used to take a walk. (過(guò)去常常散步 ) be used to + doing: 對(duì) …… 已感到習(xí)慣,或 習(xí)慣于 , to 是介詞,后需加名詞或動(dòng)名詞。 He is used to a vegetarian diet. Scarf is used to taking a walk.(現(xiàn)在習(xí)慣于散步 ) 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 典型例題 Your phone number again? I ___ quite catch it. It39。s 69568442. A. didn39。t B. couldn39。t C. don39。t D. can39。t 答案 A. 本句雖沒(méi)有明確的時(shí)間狀語(yǔ),但從語(yǔ)意上看 出,在聽的時(shí)候沒(méi)有聽懂這個(gè)動(dòng)作發(fā)生在過(guò)去,因此應(yīng)用過(guò)去時(shí)。 一般將來(lái)時(shí) 1) shall 用于第一人稱,常被 will 所代替。 will 在陳述句中用于各人稱,在爭(zhēng)求意見時(shí)常用于第二人稱。 Which paragraph shall I read first. Will you be at home at seven this evening? 2) be going to +不定式,表示將來(lái)。 a. 主語(yǔ)的意圖,即將做某事。 What are you going to do tomorrow? b. 計(jì)劃,安排要發(fā)生的事。 The play is going to be produced next month。 c. 有跡象要發(fā)生的事 Look at the dark clouds, there is going to be a storm. 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 3) be +不定式表將來(lái),按計(jì)劃或正式安排將發(fā)生的事。 We are to discuss the report next Saturday. 4) be about to +不定式,意為馬上做某事。 He is about to leave for Beijing. 注意: be about to 不能與 tomorrow, next week 等表示明確將來(lái)時(shí)的時(shí)間狀語(yǔ)連用。 be going to / will 用于條件句時(shí), be going to 表將來(lái)