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1.動詞的時態(tài) (l)一般現(xiàn)在時態(tài) 1)表示現(xiàn)在的動作或狀態(tài)。如: They are in the classroom. 他們在教室。 He is an English teacher in a middle school. 他是一位中學(xué)英語老師。 2)表示現(xiàn)在習(xí)慣性的動作。如: I usually look through the newspaper after supper. 我一般晚飯后看報紙。 He goes to see his father every week. 他每周都去看他的父親。 3)表示不變的真理或事實(shí)。如: Light travels faster than sound. 光速比聲速快。 The earth runs around the sun. 地球繞太陽轉(zhuǎn)。 4)表示將來 A.如果主句為將來時態(tài)(包括含can的句子和祈使句),時間狀語從句、條件狀語從句或讓步狀語從句中的謂語動詞用一般時態(tài)表示將來。如: You can do the work better if you are more careful. 如果你再仔細(xì)些你會把工作做得更好。 I will tell him everything when I meet him next time.下次碰到他我會把一切都告訴他的。 B.表示一個按規(guī)定、計劃或安排要發(fā)生的動作,句中要有一個表示未來時間的狀語。如: The train to Guangzhou leaves at seven this evening. 去廣州的火車晚上7點(diǎn)開車。 School begins at ten to three in the afternoon after May Day. 五一以后學(xué)校下午2∶50上課。 (2)現(xiàn)在進(jìn)行時 1)表示現(xiàn)在或在這一階段正在進(jìn)行的動作。如: The students are having English class in the classroom.學(xué)生們正在教室里上英語課。 How are you getting along with your study these days?你最近學(xué)習(xí)怎么樣? 2)一些表示位置移動的動詞可用進(jìn)行時態(tài)表將來,這些詞常見的有come, go, arrive, reach, leave, move, start, begin, get, stay等。如: Where are you staying in Xi’an during your stay there? 去西安時你將住在哪兒? I didn’t know he was coming this afternoon. 我原來不知道他今天下午要來。 3)與always,often:usually等副詞連用表示動作的重復(fù)。如: You must not be always translating every- thing into your own language when you study a foreign language.當(dāng)你學(xué)外語時,你不能總是把每句話都譯成你自己的語言。 He can often be seen sitting at a desk writing something.經(jīng)常會看到他坐在桌子旁寫東西。 注意:下列幾組詞不能用于進(jìn)行時態(tài): A.瞬間動詞,如give,get,end,receive, accept, permit, allow, refuse, decide等。 B.感官動詞,如: see, hear, look, feel,smell,sound, need, remain等。 C.表情感的動詞,如:love,hate,prefer, please, forget, believe, want, mind, agree, wish, mean, need, remember 等 D.表狀態(tài)的動詞,如:stand, lie , seem, appear, exist, remain等。 (3)一般過去式 1)表過去的動作或狀態(tài)。如: The peasants lived poorly at that time. 那時候農(nóng)民生活很貧窮。 Mary left school last year and is now learning Chinese here. 瑪麗去年畢業(yè),現(xiàn)在正在這里學(xué)習(xí)漢語。 2)表過去的習(xí)慣動作,常與always,often,usually等副詞連用。如: We usually swam in the river when we were children. 孩童時我們常在河里游泳。 He often came to my help when I was in trouble. 當(dāng)我遇到麻煩時他總是來幫助我。 應(yīng)該注意,在談到已死的人的情況時,多用一般過去時態(tài)。 (4)現(xiàn)在完成式 1)表示過去發(fā)生的動作已經(jīng)結(jié)束,但對現(xiàn)在有影響。如: We have learned 2000 English words by now. 到現(xiàn)在為止我們已經(jīng)學(xué)了2000個英語單 詞。 He says he has read the book several times already this year. 他說今年他已把那本書讀了好幾遍了。 2)表示過去發(fā)生的動作一直延續(xù)到現(xiàn)在,或者剛剛結(jié)束,或者還將繼續(xù)下去。如: He has been a student for twelve years. 他當(dāng)學(xué)生已經(jīng)有12年了。 We have had no news from her, but we are still hoping. 我們沒有得到她的任何消息,但我們還在希望著。 學(xué)習(xí)現(xiàn)在完成式應(yīng)注意: A.在有already(用于肯定句中),just(用于肯定句中),yet(用于否定或疑問句中),ever(用于疑問句中)這類副詞作狀語時,句子常用完成式。 B.瞬間動詞的完成式不能和表示一段時 間的詞連用。 C.瞬間動詞,如 come, become,begin,join, get up,die等不能表示狀態(tài),即不能和一個表示一段時間的詞連用;如果要表示一個延續(xù)的狀態(tài),需要用be來表示。 D.完成式中時間狀語的表達(dá)方法: “for+段時間”,“since+點(diǎn)時間,since+ 段時間+ago”,“since+從句(從句謂語用過去 式)”,so far, by far, up till now, by the end of…, before,“in the past/ last+段時間”。 E.“have gone to+地點(diǎn)”表示去了某地,現(xiàn)在不在此地。 “have been to+地點(diǎn)”,表示去過某地,人已經(jīng)回來。 “have been+介詞+地點(diǎn)”,表示來到某地,現(xiàn)在人正在此地。 F. 由when, if , after, till, as soon as 等引導(dǎo)的從句,以現(xiàn)在完成式代替將來完成式。如: I will write to you as soon as I have got there. 我一到那兒就給你寫信。 Let’s go out after I have finished my homework.. 我做完作業(yè)咱們出去。 G.when引導(dǎo)的疑問句一般不用完成式。如: When did you come here? 你什么時候到這里的? When will you do your lessons? 你什么時候做功課, (5)一般將來時態(tài) 1)to be going to 表示按照安排、計劃、打算要做的事情,或有跡象表明將會發(fā)生的動作。如: The old men of this village are going to have an outing. 這個村的老人準(zhǔn)備去郊游。 注意: A,表示去什么地方時,be going to 后面的go不能再出現(xiàn);即to后面直接加地點(diǎn)。 B, 表示天氣將如何變化用be going to 。 Look at these clouds, it looks as if it is going to rain.看那些云,看起來好像要下雨。 2)will,shall表示預(yù)見或意圖。 A. shall 用于第一人稱;will用于其它人稱。 B. 在表示帶意愿色彩的將來時態(tài)時,常用will。如: I will tell you everything next time I meet you. 下次碰到你我會把一切告訴你的。 She will turn to her mother when her sister does her wrong.當(dāng)姐姐讓她受委屈時她就求助媽媽。 C.問對方是否愿意或表示客氣的請求或 命令時,用will。如: Will you stay with us for a while? 你能和我們呆一會嗎? Will you please have some more fish? 請再吃些魚好嗎? D.表示建議或征詢對方意見用shall,主語用第一人稱。如: Shall I wash your clothes now or later? 我現(xiàn)在給你洗衣服還是以后洗? Shall we go to see the film together? 我們可以一起去看電影嗎? 注意:在C、D兩項(xiàng)中,表示“一些”的概念時,用some而不用any,即使句子為疑問形式。 3)“be+不定式”表示按計劃、安排要發(fā)生情況,語氣比be going to要強(qiáng)烈。如: There is to be a meeting to discuss the matter. 將安排一個會議來討論這個問題。 The film is to be shown this Sunday. 安排這個星期天放映這部電影。 4)一般現(xiàn)在時態(tài)表示將來。用于表示時 間,各種時刻表或主句為將來時態(tài)時的時間狀語從向、條件狀語從句或讓步狀語從句中。如: Tom will work steadily until he leaves the store at 6 p.m.. 湯姆努力工作,直到下午6點(diǎn)才離開商店。 Today is Sunday, tomorrow is Monday. 今天是星期天,明天是星期一。 5)現(xiàn)在進(jìn)行時態(tài)表將來。一些表示位置移動的動詞如。come,go,arrive,reach, leave, move, start, begin, get, stay等,常用進(jìn)行時態(tài)表將來。如: My brother is coming to see me off at the airport. 我哥哥將到機(jī)場送我。 He is leaving for Beijing tomorrow. 他明天將去北京。 (6)過去進(jìn)行時 1)表過去某個時刻正在進(jìn)行的動作。如: What were you doing at ten yesterday morning. 昨天早上10點(diǎn)你在干什么? When I called him, he was having dinner. 我給他打電話的時候,他正在吃飯。 2)表過去兩個動作同時進(jìn)行時,兩個進(jìn)行式連用。如: He was watching TV while I was reading. 我在看書時,他在看電視。 While we were having breakfast, John was talking on the phone. 我們在吃早飯時,約翰在打電話。 3)與always,continually,often,usually等副詞連用,表示過去反復(fù)的習(xí)慣。如: He was always having breakfast at ten in the morning. 過去他總是在早上10點(diǎn)吃早飯。 Whenever I visited him, he was always writing at the desk. 當(dāng)我去看他的時候,他總是爬在桌子上寫東西。 (7)過去完成式 1)表截止過去某時為止已完成的事情。 如: I had finished my homework before supper yesterday. 昨天晚飯前我已把作業(yè)做完了。 We. had learned 1000 English words by the end of last term.到上學(xué)期末我們已經(jīng)學(xué)了 1000個英語單詞了。 2)表過去兩個不同時發(fā)生的動作或狀態(tài),先發(fā)生的用過去完成式,后發(fā)生的用一般過去式。如: He said he had seen the film the day before. 他說他前一天看過那部電影了。 When we arrived at the station we found the train had left. 當(dāng)我們到火車站時我們發(fā)現(xiàn)火車已經(jīng)離開了。 但when,after,before引導(dǎo)的時間狀語從句,常用過去式代替過去完成式。如: Hardly had he left the house when it began to rain.他剛離開家就開始下雨了。 I had not gone much farther before I caught them up. 我沒走多遠(yuǎn)就趕上他們了。 3)表過去未實(shí)現(xiàn)的希望或計劃,常用 hope,expect, suppose, intend, mean, think, want等。如: I had expected to go to college, but I failed in the entrance examination. 我本希望上大學(xué),但我沒有通過升學(xué)考試。 I had hoped to come to help you, but I was too busy. 我本打算來幫你,但我太忙了。 4)no sooner…than, hardly…when, scarcely…when連接兩個句子時,先發(fā)生的動作用過去完成式。如: Scarcely had he arrived home when a man called to see him. 他剛到家就有人找他。 No sooner had I left the house than it begin to rain. 我剛離開房子就開始下雨了。 (8)過去將來時 表示從過去某一時間看,將要發(fā)生的動作或存在的狀態(tài)。表示一般將來時態(tài)的五種形式全部可用過去將來時態(tài)。這一時態(tài)常用于賓語從句中,特別是間接引語中。有時還可用來表示“愿望”,多用于否定句,譯為“不肯”,“不會”。如: It was raining hard, but none of us would stop working. 雖然雨下得很大,但我們沒有人愿意停止工作。 At first we were not sure whether we would succeed.開始我們不知道是否會成功。 2.動詞的語態(tài) (1)主動語態(tài)和被動語態(tài)的時態(tài)比較: (一般現(xiàn)在)He teaches English. →English is taught by him. (一般過去)He taught English. →English was taught by him. (一般將來)He will teach English. →English will be taught by him. (現(xiàn)在完成)He has taught English.→English has been taught by him. (過去完成)He had taught English. → English had been taught by him. (現(xiàn)在進(jìn)行) He is teaching English. → English is being taught by him. (過去進(jìn)行)He was teaching English. → English was being taught by him. (過去將來)He would teach English. →English would be taught by him. (2)被動語態(tài)應(yīng)注意的幾個問題: 1)主動語態(tài)中的主語是people,they,we, you, one,someone, no ,one等,若泛指人,改為被動語態(tài)時,常被省略。如: People in the U.S.A. speak English. 在美國人們講英語。 →English is spoken in the U.S.A.. 2)“不及物動詞+介詞+賓語”結(jié)構(gòu),改為被動語態(tài)時,介詞不能省略。如: Li Ping is looking after her mother. 李萍正在照顧她的母親。 →Her mother is being looked after by Li Ping. 常見的短語動詞還有:ask for, believe in, care for, call on, deal with, live on ,look for, refer to, write about, speak well of 3)跟雙賓語的動詞,改為被動語態(tài)時有兩種形式。如: Smoking does great harm to health. 吸煙對健康有害。 →Great harm is done to health by smoking . →Health is done great harm by smoking. 4)已被用為表語的過去分詞,其后通常不跟by, 而用at, in, with , about, to等。如: That pop star is known to everyone. 那位名星眾所周知。 We are surprised at what he has done. 我們都很驚奇他所做的事情。 5)祈使句的被動語態(tài) A.肯定祈使句
Write a letter to me as soon as possible. 盡快給我來信。 →Let a letter be written to me as soon as possible. B.否定祈使句
Don’t speak Chinese in English class. 英語課上不能說漢語。 →Don’t let Chinese be spoken in English class. 6)“感官動詞或使投動詞+賓語+動詞原 形”結(jié)構(gòu),改為被動語態(tài)時,作補(bǔ)語的動詞原形須改為帶to的不定式。如: The boss makes the workers work 14 hours a day. 老板讓工人們每天工作14個小時。 →The workers are made to work 14 hours a day. 7)有賓語補(bǔ)足語的句子改為被動語態(tài)時,賓語補(bǔ)足語放在動詞之后。如: The teacher ordered the homework to be finished before six. 老師要求作業(yè)6點(diǎn)前完成。 →The homework was ordered to be finished before six. We find the problem very difficult. →The problem is found difficult. (3)不能變?yōu)楸粍诱Z態(tài)的幾種情況: l)賓語是反身代詞時。如: John could see himself in the mirror. 約翰能在鏡子里看到自己。 →Himself could be seen in the mirror.(×) 2)相互代詞作賓語時。如: We should help each other in our lessons. 學(xué)習(xí)上我們應(yīng)該互相幫助。 →Each other should be helped in our lessons. (×) 3)賓語前有指主格的屬格代詞時。如: The man nodded his head.那個人點(diǎn)了點(diǎn)頭。 →His head was nodded by the man. (×) 4)同源賓語。如: He dreamed a terrible dream last night. 昨晚他做了個可怕的夢。 →A terrible dream was dreamed by him last night. (×) 5)動賓關(guān)系十分密切不可分割的短語。如: He didn’t lose heart. 他沒有灰心。 →Heart was not lost. (×) 6)表示狀態(tài)的及物動詞。如: Li Tao has a very good health. 李濤身體很好。 →A very good health is had by Li Tao. (×) 7)非謂語動詞作賓語時。如: We should practise speaking English every day. 我們應(yīng)該每天練習(xí)講英語。 →Speaking English should be practised every day. (×) 8)賓語為從句時。如: He told me that he will come tomorrow. 他說他明天來。 →That he will come tomorrow was told to me. (×) |
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