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高考频道整理《高中英语必考句型5-8》，供高考考生参考，希望对考生有所帮助。 句型5 情态动词+动词不定式完成结构的用法 could have done "本来可以……"(表示过去没有实现的可能)。 might have done "本来可能……;本来应该或可以做某事"(实际没有发生;含有轻微的责备语气。 should/ought to have done "本来该做某事"(而实际未做) should not/ought not to have done "本来不该做"(实际却做过了，含有责备语气) needn't have done "本来不必做"(但是已经做过了) would rather have done "当时宁愿做了某事"(实际没有做过);否定式would rather not have done表达相反意思，两者都有表示"后悔"之意。 句型6 as, though, although引导的让步状语从句。 [注意]although位于句首;though位于句首或句中;as位于句中=though。它的词序是把句中强调的形容词、副词、动词或名词放在连词前。[参考倒装结构] 请注意下列句式的变化： [例句] 1. Although/Though I'm young, I already know what career I want to follow. →Young as/though I am, I already know what career I want to follow. 我虽然年轻，但我已经明白我应该追随什么样的事业。 2. Although/Though I respect him very much, I cannot agree with his idea. →Much as/though I respect him, I cannot agree with his idea. 虽然我很尊重他，但是我不同意他的观点。 3. Although/Though he is a child, he knows a lot of Chinese characters. →Child(省略冠词)as/though he is, he knows a lot of Chinese characters. 他虽然还是个孩子，却认识了许多汉字。 4. Although he tried, he couldn't solve the problem. →Try as he might, he couldn't solve the problem. 尽管他努力了，但是他没有解决问题。 5. Although it is raining, I'm going out for a walk. →Raining as it is, I'm going out for a walk. 天虽然在下雨，我还是要出去散步。 6. Strange as it may seem, nobody was injured in the accident. 这次意外虽然显得不可思议，却没有人受伤。 7. Much as I would like to help, I have a lot to do. 虽然我很想帮助你，但是我有很多事要做。 8. Object as you may, I will go. 纵使你反对，我也要去。 句型7 …before…特殊用法(1)"没来得及……就……" [例句] The roof fell before he had time to dash into the room to save his baby. 他还没有来得及冲进房间救孩子，房顶就塌了。 He ran off before I could stop him. 我还没有来得及阻止，他已经跑了。 To my great disappointment, my favorite singer left the concert before I could have a word with her. 让我非常失望的是，我还没有来得及和我最喜欢的歌手打招呼，她就已经离开了。 句型8 …before…特殊用法(2)"过了多久才……"或"动作进行到什么程度才……" [例句] They walked about fifty miles to the west before they saw a village. 他们西行50英里才看到一个村庄。 The workers worked day and night about three days before everything returned to normal. 工人们连续工作3天才使一切恢复正常。 He almost knocked me down before he knew it. 他几乎撞到我了才意识到。 We had walked a long way before we found some water. 我们走了很长的路才找到一点水。 Five years went by before I knew it. 不知不觉，五年过去了。 高考频道将第一时间发布高考报名信息、高考招生简章、自主招生等考生关注的热点资讯！ (责任编辑：admin) |