高考英语一轮复习精品课件《Module 6 War and Peace》（外研版选修6）_高考复习指南

高考英语一轮复习精品课件《Module 6 War and Peace》（外研版选修6）

　　句型 1.He was driving a lorry load of bananas when he came off the road at a bend and fell three hundred metres down the mountain. 他正驾驶着一辆满载香蕉的卡车，突然在一个拐弯处偏离车道坠落到山下300米处。归纳拓展 when为并列连词，意为：就在那时，相当于and at that time。 ...be doing...when...正在做……这时…… ...be about to do...when...正打算做……这时…… be just going to do...when...正要……这时…… had just done...when...刚做了……这时…… be on the point of doing...when...正要……这时…… 知识要点例句：We were discussing the problem when there was a power failure. 我们正在讨论那个问题，这时停电了。 We had just finished the operation when the machine had a breakdown. 我们刚完成那个手术机器就坏了。 The thief was on the point of putting his hand into the lady’s handbag when the bus suddenly stopped. 小偷正要把手伸进那位女士的手提袋中，这时公共汽车突然停了。 He was just about to say something when Helen turned around. 他正想要说些什么，海伦突然转过身。知识要点【链接训练】 ①I had been working a couple of months ________ I had a letter from Ceiwen. A.when B.as C.while D.after 【解析】句意为：我刚工作了几个月，这时突然收到凯文的来信。只有连词 when 符合题意，构成be doing...when句式，意为“正在做……这时……”。【答案】A 知识要点 ②I was halfway back to the hospital where the doctor was working ________ Susan caught up with me. A.when B.since C.until D.though 【解析】考查连词辨析。when此处为并列连词，意为“就在这（那）时，句意为：我正在回那个医生工作的医院的半路上，这时苏珊追上了我。【答案】A 知识要点 2. but for 引起的含蓄条件句含蓄条件句：不是用条件句而是由介词或介词短语 without（没有……），but for（要不是……），连词 but，副词 otherwise 等或上下文来表示某种假设的情况。例句：But for their help,we wouldn’t have succeeded. 要不是他们帮忙，我们不会成功的。 We would have invited them to the dance,but they were too busy. 要不是他们太忙，我们会邀请他们来参加舞会的。 This change could not have taken place without a solid industrial foundation. 如果没有坚实的工业基础，发生这样的变化是不可能的。 I was so busy then,otherwise,I would have told him the answer. 我那时特忙，要不然，我就告诉他答案了。知识要点【链接训练】