高考英語presentperfect-資料下載頁
2024-11-09 22:42本頁面
【導(dǎo)讀】主語目前產(chǎn)生的影響。某個(gè)行為來說明現(xiàn)在的某種情況。表示動(dòng)作或狀態(tài)開始于。過去，一直延續(xù)到現(xiàn)在，可能繼續(xù)發(fā)展，也可能剛剛結(jié)束。,live,study都是延續(xù)性動(dòng)詞。內(nèi)反復(fù)發(fā)生的動(dòng)作。他已經(jīng)去了上海。“但都忘了”是現(xiàn)在的情況，要用現(xiàn)在完成時(shí)，強(qiáng)調(diào)結(jié)果。影響是“現(xiàn)在已準(zhǔn)備出發(fā)了”。
【正文】 The CCTV has been broadcasting English programs ever since 1977. 1977 now 表示一個(gè)事件在某個(gè)事件之前一直進(jìn)行 ,用于表達(dá)事件的持續(xù)性 . You look hot and tired. Have you been exercising? I39。m sorry I39。m late. Have you been waiting long? Hi, Tracy, you look tired. I am tired. I ___ the living room all day. painted C. have been painting D. have painted She ___ letters all morning and felt tired. A. has been writing B. writes C. has written D. had been writing Isn’t it hard to drive downtown to work? Yes, that’s why I ____ to work by train. been going gone going to have gone
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