高中英语 Unit 5 Working the Land突破 语法大冲关学案 新人教版选择性必修第一册-新人教版高二第一册英语学案

Unit 5 Working the Land主语从句一、主语从句的基本用法1．主语从句的引导词【观察例句】That you are coming to London is the best news I have heard this long time.你将要来伦敦是好久以来我听到的最好的消息。Whether it will do us harm remains to be seen.它是否对我们有害还要看一看。What I have seen today has made a very deep impression on me.今天我的所见所闻给我留下了非常深刻的印象。Whoever breaks this law deserves a fine.触犯本法者应予以罚款。Whichever(of you)comes in first will receive a prize.(你们中)谁先进来谁得奖。When we will have a meeting is an important question.我们何时举行一次会议是个重要的问题。Where we shall do the test is still under discussion.我们在什么地方做这个检验还在讨论。【归纳用法】类别例词说明从属连词that, whether两者在从句中均不作成分，只起连接作用；that 无实义，whether 表示“是否”。连接代词who, what, which, whoever, whatever 等在从句中作主语、宾语、表语、定语等成分。连接副词when, where, how, why 等在从句中作时间、地点、方式、原因状语等成分。[名师点津]主语从句中连接词的选择技巧(1)根据连接词在从句中所作的语法成分。(2)根据连接词在从句中的意义。[即学即练 1]——用 whether, that, whoever 填空①That she became an artist may have been due to her father's influence.②Whether we will hold a party in the open air tomorrow depends on the weather.③Every year, whoever makes the most beautiful kite will win a prize in the Kite Festival.2．it 作形式主语【观察例句】It's possible that he has been to Beijing.他有可能去过北京。It's a pity that you didn't attend the meeting.你没参加这次会议太可惜了。It seems that it is going to rain.看起来好像要下雨。It is important that he should know about this.他应该知道此事是重要的。It is suggested that the meeting be put off.有人建议会议延期召开。【归纳用法】为保持句子平衡，常把主语从句后置，而用形式主语 it 代替。it 作形式主语时常用于以下句型：句型说明It＋系...