高一必修3Unit 3-5 名词性从句
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有词义，在从句中作主语、表语、宾语、或定语等。
2、连接副词：w_h_e__n_,__w_h__e_r_e_,__w_h__y_,__h_o_w__,wherever, . whenever
有词义，在从句中作状语。
3、连接词：__t_h_a_t_,__w_h__e_t_h_e_r__,_i_f_,__a_s if
▪ I dislike it that he is always speaking ill of me.
Practice time
if / whether
1. I asked her _i_f _/_w_h_e_th_e_r_ she had a bike. 2. We’re worried about _w_h_e_t_he_r__ he is safe. 3. I don’t know __w_h_e_th_e_r_/_if__ he is well or not. 4. I don’t know __w_h_et_h_e_r _ or not he is well. 5. I don’t know __w_he_t_h_er_ to go.
3.I suggested that he__s_tu_d_y___( study) harder
宾语从句
3. The truth is that I have been there.
表语从句
4. The fact that she was late surprised us.
同位语从句
引导名词性从句的连接词
1、连接代词：W__h_o_,__w__h_o_s_e__,_w__h_o_m__,__w_h__a_t_,__w_h_.ich, Whoever, whatever. whomever, whomever
1.We believed that heh_a_d__e_a_r_n_ed (earn) enough money to build a house.
2.The teacher told his class that light t_r_a_v_e_ls_ (travel) faster than sound.
2、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。
②宾语从句中的whether 与or not直接连用时，不能 换成if；不直接连用，可换。 I don’t know whether or not the report is true. I don’t know whether/if the report is true or not.
名词性从句
1. 为什么叫名词性从句？ 2. _整__个__从__句__相_当__于__一__个__名__词___ 名词能做的成分,从
2. 为什么要有名词性从句句？都能做
同样作宾语，从句可以表示较复杂的含义
I know him. I know that he is writing his composition in his room.
.
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。
（ 一）宾语从句
▪ 观察下列例句，指出其中所包含的宾语从句及连接词:
▪ 1. I don’t know whom you should depend on.
▪
该句中宾语从句是 whom you should
depend on ，连接词为 whom_
▪ 2. We all find it important that we should make a
quick decision about this matter.
▪ 该句中宾语从句是that we should make a quick decision about this matter连接词为 that
(2) 介词后面的that不能省略。 Eg. You can depend on it that he will help you. （3）用it做形式宾语的宾语从句
I consider _i_t ____ necessary __t_h_a_t __we should learn English well.
③ 介词后的宾语从句要用whether引导。 It depends on ________ we have enough
time.
▪ 3. 一些含有假设、猜想、建议等意思的动词后 面的宾语从句要用“should +动词原形”结构, should可以省略。这类动词有: advise, arrange, command, demand, desire, insist, order, propose, require, request, suggest等 。如：
▪ I suggested that he (should) study harder.
4. 有些动词的后面如：like, dislike hate, appreciate等，其后的宾语从句通常用it 做 形式宾语
▪ I would appreciate it if you can do me a favor.
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。 I hope _______everything is all right.
在以下三种情况下不能省略：
（1）当that 从句与另一名词性从句并列作宾语时， 第二个that不能省；
Everyone knew (that) the accident happened and _t_h_a_t _ she was worried.
我知道他在房间里写作文.
名词性从句
主语从句
宾语从句
表语从句 同来自百度文库语从句
主语从句在句中做------ 主语 表语从句在句中做------ 表语
宾语从句在句中做------ 宾语 同位语从句在句中----- 同位语
1. That he will come is certain.
主语从句
2. I know that he will come.
2、连接副词：w_h_e__n_,__w_h__e_r_e_,__w_h__y_,__h_o_w__,wherever, . whenever
有词义，在从句中作状语。
3、连接词：__t_h_a_t_,__w_h__e_t_h_e_r__,_i_f_,__a_s if
▪ I dislike it that he is always speaking ill of me.
Practice time
if / whether
1. I asked her _i_f _/_w_h_e_th_e_r_ she had a bike. 2. We’re worried about _w_h_e_t_he_r__ he is safe. 3. I don’t know __w_h_e_th_e_r_/_if__ he is well or not. 4. I don’t know __w_h_et_h_e_r _ or not he is well. 5. I don’t know __w_he_t_h_er_ to go.
3.I suggested that he__s_tu_d_y___( study) harder
宾语从句
3. The truth is that I have been there.
表语从句
4. The fact that she was late surprised us.
同位语从句
引导名词性从句的连接词
1、连接代词：W__h_o_,__w__h_o_s_e__,_w__h_o_m__,__w_h__a_t_,__w_h_.ich, Whoever, whatever. whomever, whomever
1.We believed that heh_a_d__e_a_r_n_ed (earn) enough money to build a house.
2.The teacher told his class that light t_r_a_v_e_ls_ (travel) faster than sound.
2、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。
②宾语从句中的whether 与or not直接连用时，不能 换成if；不直接连用，可换。 I don’t know whether or not the report is true. I don’t know whether/if the report is true or not.
名词性从句
1. 为什么叫名词性从句？ 2. _整__个__从__句__相_当__于__一__个__名__词___ 名词能做的成分,从
2. 为什么要有名词性从句句？都能做
同样作宾语，从句可以表示较复杂的含义
I know him. I know that he is writing his composition in his room.
.
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。
（ 一）宾语从句
▪ 观察下列例句，指出其中所包含的宾语从句及连接词:
▪ 1. I don’t know whom you should depend on.
▪
该句中宾语从句是 whom you should
depend on ，连接词为 whom_
▪ 2. We all find it important that we should make a
quick decision about this matter.
▪ 该句中宾语从句是that we should make a quick decision about this matter连接词为 that
(2) 介词后面的that不能省略。 Eg. You can depend on it that he will help you. （3）用it做形式宾语的宾语从句
I consider _i_t ____ necessary __t_h_a_t __we should learn English well.
③ 介词后的宾语从句要用whether引导。 It depends on ________ we have enough
time.
▪ 3. 一些含有假设、猜想、建议等意思的动词后 面的宾语从句要用“should +动词原形”结构, should可以省略。这类动词有: advise, arrange, command, demand, desire, insist, order, propose, require, request, suggest等 。如：
▪ I suggested that he (should) study harder.
4. 有些动词的后面如：like, dislike hate, appreciate等，其后的宾语从句通常用it 做 形式宾语
▪ I would appreciate it if you can do me a favor.
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。 I hope _______everything is all right.
在以下三种情况下不能省略：
（1）当that 从句与另一名词性从句并列作宾语时， 第二个that不能省；
Everyone knew (that) the accident happened and _t_h_a_t _ she was worried.
我知道他在房间里写作文.
名词性从句
主语从句
宾语从句
表语从句 同来自百度文库语从句
主语从句在句中做------ 主语 表语从句在句中做------ 表语
宾语从句在句中做------ 宾语 同位语从句在句中----- 同位语
1. That he will come is certain.
主语从句
2. I know that he will come.