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1、 时间状语从句 1 when 引导时间状语从句 意为 正在这时 常用于以下句式 be about to do when 正要做 这时 be on the point of doing when 正要做 这时 be doing when 正在做 这时 had just done when 刚做完 这时 We were about to set off when it suddenly began to rain 我们刚要出发 突然下起雨来 We were having a meeting when someone broke in 我们正开着会突然有人闯入 He had just fallen
2、asleep when the phone rang 他刚刚睡着电话就响了 注意 when 可表原因 意为 既然 How can you expect to learn anything when you never listen 既然你什么也听不下去 你怎么能指望学到东西呢 2 as soon as immediately directly instantly the moment the minute the instant no sooner than hardly scarcely when 和once 一 就 这些从属 连词引导的从句都表示从句的动作一发生 主句的动 作随即就发生 常
3、译为 一 就 The moment I heard the voice I knew father was coming 我一听到那个声音 就知道父亲来了 No sooner had we arrived at the station than the train left 我们刚到车站 火车就离站了 The boy burst into tears immediately he saw his mother 那男孩一见到他妈妈便放声大哭 My sister came directly she got my short message 我姐姐一收到我的短信就来了 3 before 1 若表示
4、还未 就 不到 就 才 趁 还没来得及 就 时 需用连词 before He rushed out of the room before I told could tell him the news 我还没来得及告诉他消息 他就冲出了房间 Please write it down before you forget it 趁你现在没忘把它记下来 2 It will be 一段时间 before 从句用一般现在时 多久之后 才 It won t be long before 从句用一般现在时 不久就 It was 一段时间 before 从句用一般过去时 It will be half a ye
5、ar before I come back 还得待半年我才能回来 It won t be long before we meet again 没多长时间我们就会见面的 比较 It s has been 时间段 since从句 从句用一般过去 时 某事发生有多久了 四川卷 As is reported it is 100 years since Qinghua University was founded 正如所报道的 清华大学建立有100年了 1 通常由if unless as so long as in case that 等连词引导 In case anything important h
6、appens please call me up 万一发生了什么重要事情 请打电话给我 My parents don t mind what job I do as long as I am happy 我父母不在乎我从事什么样的工作 只要我高兴就好 The medicine works more effectively if you drink some hot water after taking it 这种药如果你用热水送服 会更加有效 条件状语从句 2 由on condition that provided that providing that supposing that 等引导的
7、条件状语从句 You can go swimming on condition that you don t go too far from the river bank 你只能在离河岸不太远的地方游泳 Supposing it rains tomorrow what shall we do 假设明天下雨我们做什么 地点状语从句 1 通常由连词where和wherever 引导 从句可位于主句之前 也可位于主句之后 The little girl who got lost decided to remain where she was and wait for her mother 那个迷路的
8、小女孩决定待在原地等她母亲 Keep in touch with your family members wherever you are in the world 不管你在世界上的什么地方 都要跟家人保持联系 2 地点状语从句在句首时常兼有抽象条件意味 Where there s a will there s a way 有志者事竟成 Where ver there s plenty of sun and rain the fields are green 哪里阳光雨水充足 哪里的田野就绿油油 让步状语从句 1 由although though as 引导状语从句 although 和tho
9、ugh 同义 用法基本相同 前者较正式 多置于句首 后者较通俗 口语化 Although the police thought he was the most likely one since they had no exact proof about it they would not arrest him 尽管警察认为他最有嫌疑 但由于没有确凿的证据 他们就不 能拘留他 注意 as 引导的让步状语从句多用于书面语 语序要倒装 Difficult as the task was they managed to finish it in time 虽然这项任务很难 他们还是设法及时完成了 Fo
10、reigner as he is he knows a lot about China 尽管他是一个外国人 但他很了解中国 2 even if even though表示 即使 纵然 有退一步设想的意 味 多用于书面语中 I ll do it even if it takes me all the afternoon 我要做这件事 即使它将花去我整个下午的时间 Even if he did say so we could not be sure that he was telling the truth 即使他这样说 我们也不能确定他是否说了真话 3 whether or 引导让步状语从句 提
11、供两个或两个以上假设 Whether I go alone or he goes with me the result will be the same 我自己走还是他跟我一起走 结果都是相同的 4 由 wh ever 或 no matter wh 引导让步状语从句 Keep calm whatever happens Keep calm no matter what happens 不管发生什么都要保持冷静 Whenever you call on me you are always welcome No matter when you call on me you are always w
12、elcome 不管何时你来看我 我都欢迎 5 However No matter how的语序 However No matter how adj adv 主语谓语 However No matter how late I came back mother was always waiting for me 无论我多晚回家 妈妈总是在等我 辽宁卷 No matter how dry a desert may be it is not necessarily lifeless 一个沙漠无论多么干旱 也不一定就没有生命 单句填空 1 you are aware of the trick used
13、in advertisements I don t think you are eager to buy 解析 句意 一旦你意识到广告中使用的技巧 我认为你就不急 于购买了 once 是用来引导一个条件 时间状语从句的 意为 一旦 答案 1 Once 2 Online information helps you a lot with house hunting But you can t really tell if you ll like a place you see it 解析 句意 网上信息在你买房上可以给你很大帮助 但是直到 你亲眼看到了那个地方后 你才能真正说出你是否喜欢那个地方
14、分析句子结构可知应填until not until直到 才 答案 2 until 3 Many people believe we are heading for environment disaster we basically change the way we live 解析 句意 许多人认为除非我们从根本上改变我们的生 活方式 否则 我们会走向因环境问题而引起的灾难 unless 意同if not 即 如果不 答案 3 unless 4 There is nothing wrong with turning on the TV watching it doesn t keep you
15、from doing something important 解析 句意 如果它不妨碍你做一些重要的事情 打开电 视看没什么错 if表假设 符合题意 答案 4 if 5 We all need knowledge from the past it comes from personal experience or from studying history It is our only guide to the future 解析 句意 我们都需要过去的知识 无论是来自个人经验还 是从历史中学习 它是我们走向未来的唯一指导 从后文or可以判 断出这里是一个选择关系 答案 5 whether 6
16、 At present visits can be arranged to many businesses and companies that they can see how different products are manufactured 解析 句意 目前 可以安排他们去访问众多企业和公司 这样他们 可以看到不同的产品是如何制造的 上下文是表 目的 关系 答案 6 so 7 Don t be discouraged Take things they are and you will enjoy every day of your life 解析 句意 不要气馁 接受现状 你会享受你生活中的每一 天 as 表 方式 意为 以 样子 答案 7 as 8 If you talk to your children they were adults you will strengthen the bonds and become closer friends 解析 句意 如果你跟你的孩子就像成年人一样交流 你将加 强你们之间的关系并成为密切的朋友 从文中所用的were可以 看出 这里
