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1、Unit 2 Grammar一、宾语从句的概念一、宾语从句的概念 宾语从句即句子作宾语，而不再是一个宾语从句即句子作宾语，而不再是一个词或短语作宾语。词或短语作宾语。I like my teacher.（名词作宾语（名词作宾语)I enjoy playing basketball.(动名词作宾语）动名词作宾语）I decide to study hard.（不定式作宾语）（不定式作宾语）I know him.（代词作宾语）（代词作宾语）I know Mr Li teaches English.(句子作宾语）句子作宾语）She asked if the answer was right.(句子作
2、宾句子作宾语）语）二、宾语从句三要素二、宾语从句三要素连连 接接 词词时时 态态语语 序序连接词1.that引导引导2.whether/if引引3.连接代词连接代词who whom whose what which4.连接副词连接副词when why where how。注：that 在句中无词汇意义，在从句中不能充当成分，在口语当中往往省略e.g.1.I hear(that)_.（一小时后他会回来）一小时后他会回来）2.He said(that)_.（他非常想念我们）他非常想念我们）3.The teacher told us(that)_.（地球围着太阳转）地球围着太阳转）he will b
3、e back in an hour he missed us very much the earth moves around the sun注意：当从句是客观真理的时候，无论主句什么时态，从注意：当从句是客观真理的时候，无论主句什么时态，从句一律用一般现在时句一律用一般现在时o宾语从句可用于主句动词之后，如：know,think,believe,hope,meano还可用于从句形容词之后，如：certain,sure,gladeg:I am glad(that)_(你赢了这比赛).He is sure(that)_ (他能通过考试）you won the game he can pass t
4、he exam由从属连词由从属连词whether,if 引导的宾语从句引导的宾语从句e.g.1.I want to know _.（他是否跟我们一起去公园）他是否跟我们一起去公园）2.Ask him _.（他是否能来）他是否能来）3.I dont know _.（是否要下雨）是否要下雨）if(whether)he will go to the park with us whether(if)he can come whether it is going to rain or noto Should I choose the red dress?(疑问句）陈述句结构（主陈述句结构（主+谓谓+其他
5、成分）其他成分）-I should choose the red dress.添加if/whether,改变人称Kitty cannot decide _o Do white clothes suit me?-White clothes suit me.（陈述句式）Sandy does not know _由从属连词由从属连词whether,if 引导的宾语从引导的宾语从句句if/whether she should choose the red dress.if/whether white clothes suit her.oIs the sports bag made of cotton?
6、Amy is asking _Does the green T-shirt match my trousers?Simon is not sure_Should I stay at home instead of going shopping with my classmates?Daniel often wonders _由从属连词由从属连词whether,if 引导的宾语从引导的宾语从句句if/whether the sports bad is made of cottonif/whether the green T-shirt match his trousers.if/whether
7、he should stay at home instead of going shopping If 与whether 的区别1.I dont know _ he will come or not.2.I dont care of _ he is handsome.3.He wondered _ to stay here the next week.4._ he will come is not decided.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作主语只能用作主语只能用whetherwhetherwhetherwhetherWhetherHomework