2023届高三英语一轮复习名词性从句课件
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if不能引导表语从句
The question is whether the film is worth seeing. That’s where I first met her.
1 表语从句的连接词
（2）表语从句还可用as if,as though,because等引导，as if ,as though引导 的表语从句常跟在特定的动词后面，如seem,appear,look,taste,sound,feel等，
The teacher said ligt travels fast than sound.
3.表语从句
1 表语从句的连接词
（1）主要有从属连词whether，that；连接代词what，who， which,whose,whoever等；连接副词when,where,how,whenever等。
2 用It作形式主语的主语从句
1 主语从句
（1）“It+be+形容词+主语从句”结构中，常用的形容 词有：important,
impossible,true,good,certain,likely,obvious,natural,necess ary等。
It is possible that he has not received the letter. (2)“It +be +名词（词组)+主语从句”结构，常用的名词 词组有：a pity, a shame,no surprise,no wonder, good news等。
It happens that he can understand a little about the
language.
3 主语从句中虚拟语气的使用
在“It is +形容词/过去分词+主语从句”句型中，当形 容词为important,necessary,strange等或过去分词为 suggested,requested,desired等时，从句谓语动词用虚 拟语气“（should）+动词原形”。 It is necessary that we (should)have breakfast.
3 同位语从句中的虚拟语气
当主语是advice，proposal，request，suggestion等词时，同位 语从句要用”（should）+动词原形
The suggestion came from the chairman that the rule(should)be adopted.
(全国卷）1.I’m not surew__h_ic_h_is more frightened,me or the female gorilla. (全国卷）2.My classmate and I are talking about how to do during the holiday.（改错）how改为what （全国卷）3.It is by no means clear_w_h_a_t__the president can do to end the strike.(语法填空） （江苏卷）4.——W第h一atPaPmT ess!You are always so
lazy!
---I’m not to blame,mun.I amw__h_at___what you have
made me.
2.宾语从句
1 宾语从句的连接词
连接词
用法
that
whether/if 连接代词/连接副词
陈述句作宾语从句时，由that引 导。that无实际意义，不充当任 何成分。that引导宾语从句时可 以省略，引导介词的宾语从句时 不能省略。
一般疑问句作宾语从句时，由 whether/if引导。意为“是否”， 不做任何成分，在句中不可省。
I have no idea when we will have a long holiday.
2 同位语从句的连接词
同位语从句可用that,whether,which,who,what,when, where, why,how等引导
There is some doubt whetheቤተ መጻሕፍቲ ባይዱ he will come.
That’s because you can’t appreciate music.
2 表语从句用虚拟语气的情况
如果主句的主语是 advice,demand,order,suggestion,requirement,ruquest,command等，
表语从句用虚拟语气，结构是“（should）+动词原形
(
名词性从句
)
( 目录 ) Contents
1 主语从句 2 宾语从句 3 同位语从句 4 表语从句
1.主语从句
1
连接词
that
whether/if
主语从句的连接词
用法
例句
只起连接作用，无实际 意义，在句子中不做任 何成分，位于句首时不 能省略。
That the earth moves around the sun is known to all.
的谓语只能选择过去的某一种时态。
6 宾语从句的时态
She explained that she had been ill. He said they were having a meeting at that time.
（3）真理终用现：如果宾语从句表示的是客观事实、普遍真 理、自然现象等，不管主句用什么时态，从句都用一般现在时。
Let me check whether the potatoes are cooked. Please tell me when we will have the meeting. I don’t know what’s the matter with him. Bob said what a wonder museum it is!
I’m sure that he is coming to help me. They are proud that she is doing well at school.
5 宾语从句的语序
（1）宾语从句始终用陈述语序。疑问句当宾语时，“连接词+主语+谓语 +其他”。连接词在从句中作主语时，从句语序“连接词+谓语+其他”。 当宾语从句为感叹句时，仍采用感叹句语序。
特殊疑问词作宾语从句时，由连 接代词和连接副词引导。
2 动词后的宾语从句
（1）宾语从句一般紧跟在及物动词之后，有的动词短语或“动 词+副词”结构后也可带宾语从句。
I have found out that all thetickets for the concert have been sold out.
6 宾语从句的时态
宾语从句的时态可以记忆为：“主现从不限，主过从必过，真理终用现”。
（1）主现从不限：如果主句的谓语动词是一般现在时，从句 谓语可根据需要选择相应的时态。
Do you know when the ancient Olympic games began? （1）主过从必过：如果主句的谓语动词是一般过去时，从句
（1）介词后面可以跟whether和连接代词、连接副词引导的从 句。
It all depends on whether he is ready. (2)除在except,in,but,besides后,that引导的从句一般不直接 作介词的宾语。其他介词后接that从句作宾语时，必须用 it作形式宾语。
只起连接作用，“是 It is unknown 否”，不作句子成分。 whether/if he has whether引导的主语从 agreed to my plan. 句可放句首或句末，if引 导的主语从句只能放句 末，前面需用it作形式主 语。
在句中作主语、宾语、 Before a problem can
We will answer for it that the products are of good quality
4 形容词后的宾语从句
（1）sure,certain,glad,pleased,happy,afraid,surprised,satisfied,sorry 等表示情感的形容词与be一起构成系表结构，其后的从句被视为宾语从 句
可用陈述语气，也可用虚拟语气。
It sounds as though you are from the south of the United States. He looks as if he were from the Mars.
(3)because引导表语从句时，主句的主语不能用reason.
（3）有些动词（词组），如hate,see to,like,appreciate等， 带宾语从句时需在从句前加it.
I would appreciate it if you could send me the application forms as sooon as possible.
3 介词后的宾语从句
His suggestion is that we (should)set off at once.
4.同位语从句
1 跟同位语从句的名词
同位语从句用来说明某些名词的实际内容或对该名词进一步 解释。可以跟同位语从句的主要是一些抽象名词： fact,news,idea,truth,hope,problem等
It is a pity that he didn’t come.
2 用It作形式主语的主语从句
1 主语从句
（3）“It+be+过去分词+主语从句”结构中，常用的过 去分词有： said,reported,known,thought,belived,excepted等。
It is said that the plan has been successfully carried out. (4)“It +seems/appears/happens等动词或短语+主语从句 结构。
(2)若动词feel,consider,make,guess,believe,think,suppose等 的宾语从句后有宾语补足语时，常用it作形式宾语，而把宾语从 句放在句末。
I feel it a pity that I haven’t been to the get-together.
2 动词后的宾语从句
The question is whether the film is worth seeing. That’s where I first met her.
1 表语从句的连接词
（2）表语从句还可用as if,as though,because等引导，as if ,as though引导 的表语从句常跟在特定的动词后面，如seem,appear,look,taste,sound,feel等，
The teacher said ligt travels fast than sound.
3.表语从句
1 表语从句的连接词
（1）主要有从属连词whether，that；连接代词what，who， which,whose,whoever等；连接副词when,where,how,whenever等。
2 用It作形式主语的主语从句
1 主语从句
（1）“It+be+形容词+主语从句”结构中，常用的形容 词有：important,
impossible,true,good,certain,likely,obvious,natural,necess ary等。
It is possible that he has not received the letter. (2)“It +be +名词（词组)+主语从句”结构，常用的名词 词组有：a pity, a shame,no surprise,no wonder, good news等。
It happens that he can understand a little about the
language.
3 主语从句中虚拟语气的使用
在“It is +形容词/过去分词+主语从句”句型中，当形 容词为important,necessary,strange等或过去分词为 suggested,requested,desired等时，从句谓语动词用虚 拟语气“（should）+动词原形”。 It is necessary that we (should)have breakfast.
3 同位语从句中的虚拟语气
当主语是advice，proposal，request，suggestion等词时，同位 语从句要用”（should）+动词原形
The suggestion came from the chairman that the rule(should)be adopted.
(全国卷）1.I’m not surew__h_ic_h_is more frightened,me or the female gorilla. (全国卷）2.My classmate and I are talking about how to do during the holiday.（改错）how改为what （全国卷）3.It is by no means clear_w_h_a_t__the president can do to end the strike.(语法填空） （江苏卷）4.——W第h一atPaPmT ess!You are always so
lazy!
---I’m not to blame,mun.I amw__h_at___what you have
made me.
2.宾语从句
1 宾语从句的连接词
连接词
用法
that
whether/if 连接代词/连接副词
陈述句作宾语从句时，由that引 导。that无实际意义，不充当任 何成分。that引导宾语从句时可 以省略，引导介词的宾语从句时 不能省略。
一般疑问句作宾语从句时，由 whether/if引导。意为“是否”， 不做任何成分，在句中不可省。
I have no idea when we will have a long holiday.
2 同位语从句的连接词
同位语从句可用that,whether,which,who,what,when, where, why,how等引导
There is some doubt whetheቤተ መጻሕፍቲ ባይዱ he will come.
That’s because you can’t appreciate music.
2 表语从句用虚拟语气的情况
如果主句的主语是 advice,demand,order,suggestion,requirement,ruquest,command等，
表语从句用虚拟语气，结构是“（should）+动词原形
(
名词性从句
)
( 目录 ) Contents
1 主语从句 2 宾语从句 3 同位语从句 4 表语从句
1.主语从句
1
连接词
that
whether/if
主语从句的连接词
用法
例句
只起连接作用，无实际 意义，在句子中不做任 何成分，位于句首时不 能省略。
That the earth moves around the sun is known to all.
的谓语只能选择过去的某一种时态。
6 宾语从句的时态
She explained that she had been ill. He said they were having a meeting at that time.
（3）真理终用现：如果宾语从句表示的是客观事实、普遍真 理、自然现象等，不管主句用什么时态，从句都用一般现在时。
Let me check whether the potatoes are cooked. Please tell me when we will have the meeting. I don’t know what’s the matter with him. Bob said what a wonder museum it is!
I’m sure that he is coming to help me. They are proud that she is doing well at school.
5 宾语从句的语序
（1）宾语从句始终用陈述语序。疑问句当宾语时，“连接词+主语+谓语 +其他”。连接词在从句中作主语时，从句语序“连接词+谓语+其他”。 当宾语从句为感叹句时，仍采用感叹句语序。
特殊疑问词作宾语从句时，由连 接代词和连接副词引导。
2 动词后的宾语从句
（1）宾语从句一般紧跟在及物动词之后，有的动词短语或“动 词+副词”结构后也可带宾语从句。
I have found out that all thetickets for the concert have been sold out.
6 宾语从句的时态
宾语从句的时态可以记忆为：“主现从不限，主过从必过，真理终用现”。
（1）主现从不限：如果主句的谓语动词是一般现在时，从句 谓语可根据需要选择相应的时态。
Do you know when the ancient Olympic games began? （1）主过从必过：如果主句的谓语动词是一般过去时，从句
（1）介词后面可以跟whether和连接代词、连接副词引导的从 句。
It all depends on whether he is ready. (2)除在except,in,but,besides后,that引导的从句一般不直接 作介词的宾语。其他介词后接that从句作宾语时，必须用 it作形式宾语。
只起连接作用，“是 It is unknown 否”，不作句子成分。 whether/if he has whether引导的主语从 agreed to my plan. 句可放句首或句末，if引 导的主语从句只能放句 末，前面需用it作形式主 语。
在句中作主语、宾语、 Before a problem can
We will answer for it that the products are of good quality
4 形容词后的宾语从句
（1）sure,certain,glad,pleased,happy,afraid,surprised,satisfied,sorry 等表示情感的形容词与be一起构成系表结构，其后的从句被视为宾语从 句
可用陈述语气，也可用虚拟语气。
It sounds as though you are from the south of the United States. He looks as if he were from the Mars.
(3)because引导表语从句时，主句的主语不能用reason.
（3）有些动词（词组），如hate,see to,like,appreciate等， 带宾语从句时需在从句前加it.
I would appreciate it if you could send me the application forms as sooon as possible.
3 介词后的宾语从句
His suggestion is that we (should)set off at once.
4.同位语从句
1 跟同位语从句的名词
同位语从句用来说明某些名词的实际内容或对该名词进一步 解释。可以跟同位语从句的主要是一些抽象名词： fact,news,idea,truth,hope,problem等
It is a pity that he didn’t come.
2 用It作形式主语的主语从句
1 主语从句
（3）“It+be+过去分词+主语从句”结构中，常用的过 去分词有： said,reported,known,thought,belived,excepted等。
It is said that the plan has been successfully carried out. (4)“It +seems/appears/happens等动词或短语+主语从句 结构。
(2)若动词feel,consider,make,guess,believe,think,suppose等 的宾语从句后有宾语补足语时，常用it作形式宾语，而把宾语从 句放在句末。
I feel it a pity that I haven’t been to the get-together.
2 动词后的宾语从句