Unit 2 Cloning Period 2 Learning about Language Using Language 课件（人教版选修8）.pptVIP

答案　①in good condition　②on condition that　③On this condition　④in bad condition “It would ＋动词原形 ＋ if sb were to do. . .”这一句型表示与将来相反的事实或愿望，意为“万一，如果……就会……”。 If it were to be fine tomorrow，I would go shopping with my friends. 如果明天天气好，我将和朋友们一起去买东西。 1．It would be unfair to clone any extinct animals if they were to live in a zoo.如果只能生活在动物园里，那么克 隆任何灭绝动物都是不公平的。 What should we do if it were to snow? 要是下雪，我们怎么办？ 该句型中的would可以用should，could，might来替换；were to可以被did或“should＋动词原形”替换。 If Professor Li should have time tomorrow, we could ask him some questions. 如果李教授明天有空的话，我们可以问他点问题。 If there should be no air, there would be no living things. 如果没有空气，就不会有生物。 If I should go to Qing hua University，I would make full use of my time. 如果我要上清华大学的话，我就会充分利用我的时间了。 用所给动词的适当形式填空 ①If she________(strike) me with that rod，I should________(get) it from her hand and break it under her nose. ②If he should________(come) here tomorrow，I would________(talk) to him. ③If there________(be)a heavy snow next Sunday，we would________(not go) skating. ④If she were to________(be) here next Monday，I would________(tell) her about the matter. 答案　①struck；get　②come；talk　③were；not go ④be；tell “the ＋比较级，the ＋ 比较级”句型常表示“越……就越……”，是一个复合句。 (1)在通常情况下，前一个“the ＋比较级”相当于比较状语从句，后一个“the ＋ 比较级”为主句。主从句的时态常用一般现在时或一般过去时。 The more I read the book，the more I like it. 这本书我越看越喜欢。 2．The more you do this，the more youll find yourself becoming comfortable with the sound of the language.你 这样做得越多，你就会发现自己越来越熟悉这种语言的 声音。 The earlier you start，the sooner youll be back. 你出发得越早，回来得就越早。 The more you practise, the better you can understand. 你练习得越多，理解得就越透。 (2)若主句的谓语动词用一般将来时，从句的谓语动词要用一般现在时表示将来。 The harder you work，the greater progress you will make. 你越用功，进步就越大。 The longer the war lasts，the more the people there will suffer. 战争持续得越久，那里的人们受难就越多。 (3)若表示“越……越不……”时，常用“the more...the less...”句型。 The more she flatters me，the less I like her. 她越奉承我，我越不喜欢她。 The more he ate，the less joyful he felt. 他吃得越多，感觉越不舒服。 (4)