時(shí)間狀語(yǔ)從句的引導(dǎo)詞(更新版)
【正文】 兒已呆了三年?！ 考題8] It is difficult for us to learn a lesson in life ____ we’ve actually had that lesson. A. until B. after C. since D. when [考題9] A good storyteller must be able to hold his listeners’ curiosity ____ he reaches the end of the story. A. when B. unless C. after D. until [答案] D [解析] 講故事的人應(yīng)該始終抓住聽(tīng)眾的好奇心，本題應(yīng)選用表示“到……為止”(跟主句里肯定形式的表延續(xù)性動(dòng)作的謂語(yǔ)動(dòng)詞連用)的until 表示這一時(shí)間關(guān)系。 had occurred 2. before和after 引導(dǎo)的時(shí)間狀語(yǔ)從句分析：before引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)表示主句的動(dòng)作發(fā)生在從句動(dòng)作之前，after引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)表示主句的動(dòng)作發(fā)生在從句動(dòng)作之后。(3) as引導(dǎo)時(shí)間狀語(yǔ)從句時(shí)表示“當(dāng)……時(shí)，一邊……一邊……”，側(cè)重表示兩個(gè)動(dòng)作同時(shí)發(fā)生(包括一個(gè)主語(yǔ)同時(shí)進(jìn)行兩個(gè)動(dòng)作)，或者一種動(dòng)作隨著另一種動(dòng)作的變化而變化。 When I came home my wife was cooking dinner. 我回家時(shí)，妻子在做晚飯。 When the wind blows, all the doors rattle. 只要風(fēng)一吹，這門(mén)就吱嘎作響。 I met her while I was at school. 當(dāng)我在學(xué)校的時(shí)候我遇見(jiàn)了她。 occurred D. was going。 We didn’t discuss the problem until he came back. 我們一直等到他回來(lái)后才討論問(wèn)題。例如：It is two years since I became a postgraduate student. 我成為研究生已經(jīng)有2年了。 [考題11] They ____ friends since they met in Shanghai. A. have made B. have bee C. have been D. have turned [答案] C [解析] 題干中的since表示“自從……以來(lái)”，主句中的謂語(yǔ)動(dòng)詞應(yīng)該表示從他們?cè)谏虾Ｏ嘤鲋两竦某掷m(xù)性的動(dòng)作，因此下劃線處應(yīng)填入可以表示持續(xù)性狀態(tài)的have been(其他選項(xiàng)中的made、bee、turned所表示的動(dòng)作都不能延續(xù)，意味著結(jié)果)。ll be back _____________. 你離開(kāi)之前我
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