二轮专题复习课件：状语从句.ppt

答案 1.after　[引导时间状语从句。] 2.until　[“直到”，主句为肯定句时，谓语动词用延续性动词；主句为否定句时，谓语用短暂性动词。] 3.unless　[“如果不，除非”，引导条件状语从句，此外还有：once(一旦)，in case(万一)，when(既然)……] 4.as　[as引导让步状语从句，此外常考的还有：although，though，while“尽管”。] 5.because　[引导原因状语从句，此外还有：since，as，now that，seeing(that)...] 6.As　[此处表示“随着……”，引导时间状语从句。] 7.before　[before引导时间状语从句，其意义较多，“还未……就……，……才……”。常考句型：It will be＋时间段＋before。] 8.Since　[同第5题。] 9.where　[引导地点状语从句。] 10.wherever　[引导让步状语从句，意为“无论哪里……”。] Ⅲ.正反探究 1.【误】 In such dry weather，the flowers will have to be watered if they are going to survive. 【正】 In such dry weather，the flowers will have to be watered if they are to survive. 解析　if 从句中表示将来不能用will，be going to 等，但可以使用if sb/sth is to do sth 结构。 2.【误】 You will be late unless you will leave immediately. 【正】 You will be late unless you leave immediately. 解析　在时间、条件、让步、方式等状语从句中，常用一般现在时表示将来时。 3.【误】 Mum would not let him buy it，as if he had enough money! 【正】 Mum would not let him buy it，even if he had enough money! 解析　从前后两个句子之间的逻辑关系可知，应用even if。even if 即使；as if 好像。 4.【误】 Not until I began to work I realized how much time I had wasted. 【正】 Not until I began to work did I realize how much time I had wasted. 解析　not until...置于句首时，主句应使用部分倒装结构。 5.【误】 I wont agree with no matter what you may say. 【正】 I wont agree with whatever you may say. 【正】 Whatever / No matter what you may say，I wont agree. 解析　whatever 引导的从句作 agree with 的宾语，即作宾语从句，whatever 不能与 no matter what 替换。而引导让步状语从句时可替换。 Ⅳ.考点确认 一、常用并列连词的用法 连词及例句 表并列、递进或顺承关系 and，both...and...，neither...nor...，not only...but also，as well as The earth is one of the suns planets，and the moon is our satellite. 地球是太阳系中的一颗行星，月亮是地球的卫星 表转折 关系 but，yet，whereas，nevertheless It is often said that the joy of traveling is not in arriving at your destination but in the journey itself. 人们常说旅行的乐趣不在于你最终所到达的目的地，而是旅行本身。 表选择关系 either...or...，not...but...，or，otherwise，or else，rather than Now you can have a rest or you can go to the cinema. 现在你可以休息，或者去看电影。 表因果 关系 for(表“由于”，一般不放在句首)，so，therefore He found it increasi