1、 We know him We know he likes English.主主s s主主s s谓谓v v谓谓v v宾宾o o宾宾o o宾语从句就是由一个句子来构成主句的宾语宾语从句就是由一个句子来构成主句的宾语 主主s s谓谓v v宾宾o o简单句简单句复合句复合句 一 什么 是宾语从句？试比较宾语从句三要素：宾语从句三要素：连连 接接 词词时时 态态语语 序序1.1.由从属连词由从属连词thatthat引导的宾语从句引导的宾语从句3.由连接代词 who,whom,whose,which，what 和连接副词 where,how,why,when引导的宾语从句2.由从属连词由从属连词 whe
2、ther,if 引导的宾语从句引导的宾语从句宾语从句连接词宾语从句连接词:1.陈述句2.一般疑问句3.特殊疑问句that if/whether原有的连接代词原有的连接代词和连接副词和连接副词 1.April is the hottest month of the year.(I believe)I believe(that)April is the hottest month of the year.2.It was a little crowded.(I guess)I guess(that)it was a little crowded.1.由从属连词由从属连词that引导的宾语从句引导的
3、宾语从句注：注：that 在句中无词义，在从句在句中无词义，在从句中不能充当句子成分，在口语中中不能充当句子成分，在口语中往往被省略。往往被省略。Is Jim in?Has she taken any medicine?Using wonderLi Lei wonders if Jim is in.The doctor wonders if she has taken some medicine.把下列各句变为肯定句把下列各句变为肯定句1.Is Jim at home?2.Jim is at home.3.2.Is June a good time to visit Hong Kong?4.J
4、une is a good time to visit Hong Kong.5.3.Does he like sports?6.He likes sports.7.4.Will they play basketball after school?8.They will play basketball after school.变化方法：变化方法：主句主句+if/whether+一般疑问句。一般疑问句。if/whether 引导宾语从句引导宾语从句，表示，表示“是否是否”之义，之义，在句中不充当句子成份，在句中不充当句子成份，if/whether可互换。可互换。2.由从属连词由从属连词 whet
5、her,if 引导的宾语从句引导的宾语从句该一般疑问句要变为陈述句形式。该一般疑问句要变为陈述句形式。把下列各句变为宾语从句把下列各句变为宾语从句1.Is Jim at home?(I wonder)2.I wonder whether/if Jim is at home.3.2.Is June a good time to visit Hong Kong?4.(He wonders)5.He wonders whether/if June is a good time to visit Hong Kong.6.把下列各句变为宾语从句把下列各句变为宾语从句 3.Does he like spo
6、rts?(Do you know)Do you know whether he likes sports?4.Will they play basketball after school?(He asks)He asks whether they will play basketball after school.WhetherwhetherwhetherwhetherIf 与whether 的区别与与or not 连用只能用连用只能用whether介词后只能用介词后只能用whether与与to do 不定式连用只能用不定式连用只能用whether句首只能用句首只能用whether 宾语从句语
7、序：陈述句语序宾语从句语序：陈述句语序 主句主句+连连 接接 词词+主语主语+谓语谓语+其其他成分他成分.把下列宾语从句变为否定句。把下列宾语从句变为否定句。I think that they are fun to watch.I dont think that they are fun to watch.2.I believe April is the hottest month of the year.I dont believe April is the hottest month of the year.宾语从句的否定转移：宾语从句的否定转移：如果主句的谓语动词是如果主句的谓语动词是
8、think,believe,guess,suppose 等，而且等，而且主句的主语又是第一人称时，它主句的主语又是第一人称时，它后面接的宾语从句的否定词通常后面接的宾语从句的否定词通常要前移到主句中，即否定主句中要前移到主句中，即否定主句中的动词，而从句用肯定形式。的动词，而从句用肯定形式。即：主语为第一人称，否定在主即：主语为第一人称，否定在主句，翻译在从句。句，翻译在从句。Translate the following sentences.1.我认为不会下雨。我认为不会下雨。I _ that it _.2.我认为你的答案不对。我认为你的答案不对。I _your answer right.我们相信他还没走。我们相信他还没走。We _ that he _.dont think will raindont thinkisdont believe has gone
