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來時與將來進行時;現(xiàn)在完成時與現(xiàn)在完成進行時;以及將來時不同結(jié)構(gòu)的比較。另外,當be表示根據(jù)時間或事先安排,肯定會出現(xiàn)的狀態(tài),也用一般現(xiàn)在時The shop closes at 11 p.m. every day. My plane takes off at 10 a.m. The film starts at seven o39。t catch it.I forgot to tell you I had been there with my brother before.5表示現(xiàn)在,用于使說話者的口氣委婉,有時帶有“試探性”的口氣I wondered/ was wondering if you could help me. I thought you might like these books.6It39。如:I read the novel last month. (只說明上個月看了,不涉及現(xiàn)在是否記住)I lived in Beijing for ten years.(只說明在北京住過十年,與現(xiàn)在無關(guān))4. 現(xiàn)在完成進行時:表動作從過去一直延續(xù)到現(xiàn)在說話時剛結(jié)束或該動作還將進行1未完成性和暫時性區(qū)別:They have built a factory. They have been building a factory.2含有一定的感情色彩,有時表示根據(jù)直接或間接的證據(jù)得出的結(jié)論— You look very tired. — I have been playing football the whole afternoon.3有少數(shù)動詞,如work, study, live, teach, stay等,在表示持續(xù)一段時間時用現(xiàn)在完成時與現(xiàn)在完成進行時,這兩種時態(tài)含義差不多(現(xiàn)在完成進行時更強調(diào)動作的持續(xù)性)I have lived/ have been living here since 1980.現(xiàn)在完成時與現(xiàn)在完成進行時的區(qū)別:兩者都可以表示“從過去開始一直持續(xù)到現(xiàn)在”,在含義上如著重表示動作的結(jié)果時,多用現(xiàn)在完成時,如著重表示動作一直在進行,即動作的延續(xù)性時,則多用現(xiàn)在完成進行時。5. 過去完成時:表過去的兩個動作,如果一個動作發(fā)生在另一個動作之前,那么發(fā)生在前的就用過去完成時,即“過去的過去”, 常用于復合句中,或某些含有虛擬語氣的句子中1在by, by then, by that time, by the end of, by the time, until, before, since后接表示過去某一時間的短語,或從句中動詞以前發(fā)生的動作。t ever going to find it.6. 現(xiàn)在進行時1表示說話時正在發(fā)生著的一個動作;表示現(xiàn)階段但不一定是發(fā)生在講話時;表近期特定的安排或計劃;go, e, work, start, leave, stay等起止動作可用進行時代替將來時He is teaching English and learning Chinese.I am meeting Mr. Wang tonight. He is graduating.At six I am bathing the baby.2與always,often,constantly, continuously等頻度副詞連用,表經(jīng)常反復的行為或某種感情色彩The girl is always talking loud in public. He is constantly leaving his things about.3下面四類動詞不宜用現(xiàn)在進行時:表示心理狀態(tài)、情感的動作:like, love, hate, care, remember, believe, want, mind, wish, agree, mean, need。除有上下文暗示外,一般與特定時間狀語連用He was preparing his lecture all day yesterday. The first time I saw him, he was studying in his study.2某一動作發(fā)生時另一動作正在發(fā)生,其中一個在由when或while引導的時間狀語從句中He broke his legs while he was playing football.3表說話人過去對主語行為的贊嘆、厭惡等,與always, often, constantly, continuously等頻度副詞連用He was always blowing his own trumpt. 老王賣瓜,自賣自夸。re going to have a party tonight.3be + doinggo, e, start, move, leave, arrive等詞可用進行時表示按計劃即將發(fā)生的動作He is moving to the south. Are they leaving for Europe?4be about to +動詞原形表示安排或計劃中的馬上就要發(fā)生的動作,后面一般不跟時間狀語I was about to leave when the bell rang. The meeting is about to close.5be to +動詞原形表示按計劃進行或征求對方意見;表示吩咐、命令、禁止,可能性等;表示“注定會成為”; 可用于條件、時間狀語從句中表示“想要”We39。ll fall off.9. 過去將來時:參照一般將來時,一般不獨立使用。His coat got caught between the 。如:It is believed that..., It is generally considered that..., It is said that..., It is well known that..., It must be pointed out that..., It is supposed that..., It is reported that..., It must be admitted that..., It is hoped that... 上述句型還可以轉(zhuǎn)換為“主語+be +過去分詞+動詞不定式”。如:under control/ treatment / discussion / construction / repair, beyond belief / recognition / imagination /one39。如:His plan proves to be practical. Silk feels smooth.表主語性質(zhì)特征的動詞:read, write, act, iron, cut, draw, drive, sell, wash, clean, wear, open, cook, lock, shut, dry, eat, drink 與well, easily, smoothly, badly等修飾語連用。如for, recently未必只跟現(xiàn)在完成時連用,“平行結(jié)構(gòu)”不一定適用相同的時態(tài),語境是關(guān)鍵。t speaking D. didn39。s terrible during the rush hour.A. have you left B. do you leave C. would you leave D. are you leaving6. Minister Bill De Blasio ________ in office fewer than 48 hours when he came face to face with his biggest challenge in his life. A. has been B. had been C. would be D. is7. — Have you got any job offers?— No, I ________. Hopefully, I will get one by the end of this month.A. waited B. had been waiting C. have waited D. am waiting8. — That must have been a terrible experience.— Yeah. I ________ in the damaged car, unable to move.A. was stuck B. have been stuck C. am stuck D. had been stuck9. — Hi, 39。s great to be back.A. lived B. had lived C. have lived D. live13. CCTV Spring Festival Gala is part of