语法复习三:名词性从句

语法复习三:名词性从句
语法复习三:名词性从句

语法复习三:名词性从句

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. i’m interested in whether you’ve finish ed the work.. i’m interested in what you’ve said. 3、whether 与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t

know whether or not the report is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whether we have enough time. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

2019-07-19

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从

句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. i’m interested in whether you’ve finished the work.. i’m interested in what you’ve said. 3、whether 与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t know whether or not the report is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whether we have enough ti me. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

2019-07-19

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,

只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. i’m interested in whether you’ve finished the work.. i’m interested in what you’ve said. 3、whether 与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t know whether or not the repor t is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whether we have enough time. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

2019-07-19

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. i’m interested in whether you’ve finished the work.. i’m interested in what you’ve said. 3、whether 与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t know whether or not the report is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式

连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whether we have enough time. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

2019-07-19

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,

要分别用what或 whether。 e.g. i’m interested in whether you’ve finished the work.. i’m interested in what you’ve said. 3、whether 与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t know whether or not the report is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whether we have enough time. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

2019-07-19

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、

主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. i’m interested in whether you’ve finished the work.. i’m interested in what you’ve said. 3、whether 与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t know whether or not the report is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whether we have enough time. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

2019-07-19

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词

性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. i’m interested in whether you’ve finished the work.. i’m interested in what you’ve said. 3、whether 与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t know whether or not the report is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whether we have enough time. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

2019-07-19

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. i’m interested in whether you’ve finished the work.. i’m interested in what you’ve said. 3、whether

与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t know whether or not the report is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whe ther we have enough time. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

2019-07-19

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where, why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether

you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. i’m interested in whether you’ve finished the work.. i’m interested in what you’ve said. 3、whether 与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t know wh ether or not the report is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whether we have enough time. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

2019-07-19

名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语。因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句。(一)引导名词性从句的连接词 1、连接代词:who, whose, whom, what, which。有词义,在从句中担任成分,如主语、表语、宾语、或定语等。 2、连接副词:when, where,

why, how。有词义,在从句中担任成分,作状语。 3、连接词:that, whether, if, as if。that 无词义,在从句中不担任成分,有时可省略;if (whether), as if虽有词义,但在从句中不担任成分。注意:连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式。连接代词与连接副词在从句充当句子成分,连接词whether 和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用。根据句义,如果连接代词与连接副词,whether、if 和as if

都用不上时,才用that作连接词(that本身无任何含义)。(二)主语从句 1、主语从句在复合句作主语。 e.g. who will go is not important. 2、用it

作形式主语,主语从句放在句末。 e.g. it doesn’t matter so much whether you will come or not. 3、that引导主语从句时,不能省略。 e.g. that he suddenly fell ill last week made us surprised.(三)表语从句 1、表语从句在复合句中作表语,位于系动词之后。 e.g. the question was who could go there. 2、引导表语从句的连接词that有时可省去。 e.g. my idea is (that) we can get more comrades to help in the work.(四)宾语从句 1、宾语从句在复合句中作宾语。引导宾语从句的连词that一般可省略。 e.g. i hope (that) everything is all right. 2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether。 e.g. i’m interested in whether you’ve finished the work.. i’m interested in what you’ve said. 3、whether 与if都可以引导宾语从句,常可互换。但下面情况不能互换。①宾语从句是否定句时,只用if,不用whether。e.g. i wonder if it doesn’t rain.②用

if 会引起误解,就要用whether。e.g. please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换。e.g. i don’t know whether or not the report is true.i don’t know whether/ if the report is true or not.④介词后的宾语从句要用whether引导。whether 可与不定式连用。whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if。但引导条件从句时,只能用if,而不能用whether。

e.g. it depends on whether we have enough time. they don’t know whether to go there. please come to see me if you have time.(五)同位语从句

同位语从句在句中作某一名词的同位语,一般位于该名词(如:news, fact, idea, suggestion, promise等)之后,说明该名词的具体内容。3456

初中英语语法宾语从句讲解_专项练习及答案

初中英语语法宾语从句讲解,专项练习及答案注意!宾语从句小口诀: 宾语从句三注意,时态语序引导词; 主句一般现在时,从句不需受限制; 主句一般过去时,从句须用相应时; 陈述句转化that引,一般疑问句用if/whether, 特殊问句疑问词,引导词后陈述式。 一、基本讲解 1 概念:在句中担当宾语的从句叫宾语从句,宾语从句可作谓语动词的宾语,也可做介词的宾语。eg, He said he was good at drawing. (动词宾语) He asks him how long Mike has been down . (动词宾语) Miss Zhang is angry at what you said. (介词宾语) 2.连接词 (1) .陈述句转化成宾语从句时,引导词用that,口语中常常省略。 e.g, She told me (that) she would like to go with us. (2)以whether 或if 引导的宾语从句, 主要用来引导一般疑问句意思或选择疑问句意思的宾语从句,从句同样是陈述语序 eg, I wonder if /whether u have told the new to Li Lei . 注意:一般情况下,whether 和if 可以互用,但有些情况例外。 a. 当从句做介词的宾于是只用whether 不用if eg, We are talking about whether we'll go on the pinic. b. 引导词与动词不定式或not 连用时,只用whether. eg, Please let me know what to do next. Could you tell me whether u go or not? c. if当如果讲时,引导的是条件状语从句,这时不能用whether. (3).特殊疑问句转化成宾语从句时,引导词用特殊疑问词;引导词后要用陈述句语序。 E.g. Could you tell me what's the matter\wrong with you? 特殊情况::当do you think后接特殊疑问句转化成宾语从句时,句式结构应为引导词+do you think+陈述句语序。 3.宾语从句时态

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