現(xiàn)在完成時過去完成時-資料下載頁
2025-08-15 22:46本頁面
【正文】 2. 在沒有明確的過去時間狀語作標(biāo)志時，謂語動詞動作發(fā)生的時間先后須依據(jù)上下文來判斷：先發(fā)生的用過去完成時，后發(fā)生的則用一般過去時。如： She was very happy. Her whole family were pleased with her, too. She had just won the first in the position petition. Present perfect continuous tense 現(xiàn)在完成進行時 Structure: 現(xiàn)在完成進行時 由 have (has) +been + doing構(gòu)成 telephone has been ringing for almost a minute. Why doesn’t someone answer it? 電話響了差不多一分鐘 , 為什么沒人接 ? 2. The weather has been changeable lately。 I’ve been having a lot of colds. 最近天氣變化無常 , 我時常感冒。 Usages ?用法一： 從以前到現(xiàn)在這一段時間里一直在進行的動作，可能仍在進行，也可能已停止。 . has been raining since last Monday. 自上周一以來就一直在下雨。 ’s been watching television all day. 她看了整整一天電視。 用法二： 表示一個從過去某時開始的動作一直延續(xù)到說話時剛結(jié)束。 —Where have you been? —We have been looking for you everywhere. 用法三：表示過去剛剛完成的動作，對現(xiàn)在有聯(lián)系或影響。 1. I’ve been typing letters all day. （ I am very tired. ） 一整天都在打信件。（我太累了。） 2. Susan has been crying. （ Susan’s eyes are red.） 蘇姍一直在哭。（眼睛都哭紅了。） Practice: I wish I could bring some laughter to my students who ____ so hard. work B. had worked C. have been working D. were working 2. –Isn’t it hard to drive downtown to work? Yes, that’s why I ____ to work by train. gone B. have been going C. was going D. will have gone 現(xiàn)在完成進行時和現(xiàn)在完成時的比較 : Note 1: 兩者都可表示延續(xù)至今的狀態(tài) , 但 現(xiàn)在完成進行 時強調(diào)動作的持續(xù)性；而現(xiàn)在完成時著重 說明一個事實。 A. They have lived in New York. 他們住在巴黎。 B. They have been living in New York. 他們 一直 住在巴黎。 Note 2: 現(xiàn)在完成時強調(diào) 結(jié)果和影響 ；現(xiàn)在完成進行時強調(diào)動作 仍在進行 。 1. I’ve cleaned the windows. 我把窗戶擦干凈了 。 2. I’ve been cleaning the windows. 我一直在擦窗戶。 (可能窗戶尚未擦完 ) How many times have you swum in the lake? How long have you been swimming in the lake? Note 3 :現(xiàn)在完成時表示動作 重復(fù)的次數(shù) ，提問時用 how many times 。而現(xiàn)在完成進行時則表示持續(xù)的不間斷的動作，提問時用 how long. I have visited Egypt twice this month. I have been touring Egypt for two months. 注意： never, yet, already , ever and once, twice等頻率時間狀語 不能用于現(xiàn)在完成進行時。 Note 4 : 現(xiàn)在完成時通常只 陳述事實 ，而現(xiàn)在完成進行時還可表示一種 感情色彩 。 ? I have waited for two hours. ? 我等了兩小時。（陳述事實） ? I have been waiting for two hours. ? 我等了兩個小時。（等得好辛苦） 1. — I’m sure Andrew will win the first prize in the final. — I think so. He ________ for it for months. A. is preparing B. was preparing C. had been preparing D. has been preparing 2. By the time he realizes he _________ into a trap, it’ll be too late for him to do anything about it. B. walked C. has walked D. had walked 3. — Hi, Tracy， you look pale. — I am tired. I _______ the living room all day. B. had painted C. have been painting D. have painted
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