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。如: I won39?! ?8) till/until引導(dǎo)的時(shí)間狀語從句 till和until同義,作直到……時(shí)(為止)解,till多用于非正式文體,until多用于句首?! ?5) as soon as表示一……就,做題要注意主將從現(xiàn) As soon as we __________ (get) there, he ___________ (tell) us the news. 我們一到那,他就會(huì)告訴我們那個(gè)消息?! ∮脀hen, as, while填空: ________ you came in, I was talking with a few boys. It started to rain __________ we were playing outdoors. They talked _________ they walked down the river. __________ it was raining, the students were playing basketball. Her brother watched TV__________ he ate supper. (4) before引導(dǎo)的時(shí)間狀語從句,指時(shí)間上的在……之前 I39?! 、?while表示在某一段時(shí)間里或在……期間,其所引導(dǎo)的從句的動(dòng)作是延續(xù)性的,并側(cè)重表示和主句的動(dòng)作同時(shí)發(fā)生。s footsteps, they all stopped talking. 當(dāng)學(xué)生們聽到老師的腳步聲時(shí),他們都停止了講話?! 考題12] — What was the party like? — Wonderful. It’s been 2 years ____ I enjoyed myself so much. A. after B. before C. when D. since [答案] D [解析] since表示“自從……以來”?! ±纾篒 have been here since five months ago. 五個(gè)月以來我一直在這里。I have been there many times since the war. 自那次戰(zhàn)爭(zhēng)以來,我曾去該地多次?! ±纾篢hey have been friends since childhood. 他們從幼時(shí)起一直是好朋友。It was three years since we had been there. 我們?cè)谀莾阂汛袅巳辍?/ What have you been doing since I last saw you? 自我上次和你見面以后,你在做什么? (2) It be(主句中謂語用