It做形式主语句型整理大全
it做形式主语的19个句型
1.It is/was + 被强调部分+ that/who ...该句型是强调句型。
被强调部分可以是主语，宾语，表语或状语。
强调的主语如果是人，that 可以由who 换用。
如果把这种句型结构划掉后，应该是一个完整无缺的句子。
这也是判断强调句型与其它从句的方法。
2. It is not until + 被强调部分+ that ...该句型也是强调句型。
主要用于强凋时间状语，译成汉语“直到……才……”，可以说是not ... until ... 的强调形式。
It was not until she took off her dark glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.= I didn't realize she was a famous film star until she took off her dark glasses.3. It is clear /obvious/true/possible/certain… that …该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为“ 清楚（显然，真的，肯定……）”是主语从句最常见的一种结构。
It is very clear that he's round and tall like a tree.= That he's round and tall like a tree is very clear.4. It is important /necessary/ right/strange/natural... that ...+(should) do该句型和上一个同属一个句型。
it做形式主语用法大全
It作形式主语常见句型动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用it作形式主语，放到句首，常见句型有：1.It+be+形容词+主语从句，如：It is uncertain whether he can come to Jenny’s birthday party or not.2.It+be+名词词组+主语从句，这类名词有：a fact,a pity,a shame,an honour，a question等，如：It’s a pity that you missed the exciting football match.It remains a question whether he will come or not.3.It+be+过去分词+主语从句，这类过去分词有：announced,believed,expected, hoped,decided,reported,said,shown等，如：It is reported that16people were killed in the earthquake.It is not decided who will give the operation to the patient.4.It+不及物动词(seem,appear,happen等)+主语从句,这类不及物动词有：appear, happen,seem等，如：It seemed that he didn’t tell the truth.It happened that I was out when he called.5.It+be+形容词+for sb.）+动词不定式这类句型常用形容词easy,difficult,hard,important,possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb，如：It’s necessary for the young to master two foreign language.It is unwise to give the children whatever they want.这类形容词有：easy,difficult,hard,important,possible，wise6.It+be+形容词+of sb.+动词不定式，这类形容词常是表示心理品质,性格特征的形容词，如：kind,nice stupid,clever,foolish,polite,impolite,silly,selfish,considerate等。
(完整版)it做形式主语用法大全含练习及问题详解
It作形式主语常见句型动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用it作形式主语，放到句首，常见句型有：1. It + be + 形容词+主语从句，如：It is uncertain whether he can come to Jenny’s birthday party or not.2. It + be + 名词词组+ 主语从句，这类名词有：a fact, a pity, a shame, an honour，a question 等，如：It’s a pity that you missed the exciting football match.It remains a question whether he will come or not.3. It + be + 过去分词+ 主语从句，这类过去分词有：announced, believed, expected, hoped, decided, reported, said, shown等，如：It is reported that 16 people were killed in the earthquake.It is not decided who will give the operation to the patient.4. It + 不及物动词(seem, appear, happen等) + 主语从句, 这类不及物动词有：appear, happen, seem等，如：It seemed that he didn’t tell the truth.It happened that I was out when he called.5. It + be + 形容词+ for sb.）+ 动词不定式这类句型常用形容词easy, difficult, hard, important, possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb，如：It’s necessary for the young to master two foreign language.It is unwise to give the children whatever they want.这类形容词有：easy, difficult, hard, important, possible，wise6. It + be + 形容词+ of sb. + 动词不定式，这类形容词常是表示心理品质,性格特征的形容词，如：kind, nice stupid, clever, foolish, polite, impolite, silly, selfish, considerate等。
it作形式主语的句型
it作形式主语的句型
1、It + be + 形容词 + that从句：表示某事物具有某个特征或属性。
例如：It is important that we arrive on time.（我们按时到达很重要。
）
2、It + be + 名词短语 + that从句：表示某个事物符合某个特征或属性。
例如：It is a shame that he didn’t come to the party.（他没来参加聚会真是遗憾。
）
3、It + be + 过去分词 + that从句：表示某个动作已经被完成或已经发生。
例如：It is said that the book will be published next month.（据说这本书将在下个月出版。
）
4、It + be + 现在分词 + that从句：表示某个动作正在进行或正在发生。
例如：It is raining hard outside.（外面正下着大雨。
）
5、It + be + 不定式短语 + that从句：表示某个动作将要发生或被计划。
例如：It is to be announced tomorrow if the meeting will be held as scheduled.（明天将宣布会议是否按计划举行。
）
这些句型中的“it”通常被称为“形式主语”，因为它在句子中充当主语，但实际上并不是真正的主语。
这种用法是为了使句子更加通顺或强调某种特定的信息。
it做形式主语的19个句型
It作形式主语常见句型1.It is/was + 被强调部分+ that/who ...该句型是强调句型。
被强调部分可以是主语，宾语，表语或状语。
强调的主语如果是人，that 可以由who 换用。
如果把这种句型结构划掉后，应该是一个完整无缺的句子。
这也是判断强调句型与其它从句的方法。
2. It is not until + 被强调部分+ that ...该句型也是强调句型。
主要用于强凋时间状语，译成汉语“直到……才……”，可以说是not ... until ... 的强调形式。
It was not until she took off her dark glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.= I didn't realize she was a famous film star until she took off her dark glasses.3. It is clear /obvious/true/possible/certain… that …该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为“ 清楚（显然，真的，肯定……）”是主语从句最常见的一种结构。
It is very clear that he's round and tall like a tree.= That he's round and tall like a tree is very clear.4. It is important /necessary/ right/strange/natural... that ...+(should) do该句型和上一个同属一个句型。
it做形式主语的个句型
i t做形式主语的个句型集团档案编码：[YTTR-YTPT28-YTNTL98-UYTYNN08]1.Itis/was+被强调部分+that/who...该句型是强调句型。
被强调部分可以是主语，宾语，表语或状语。
强调的主语如果是人，that可以由who换用。
如果把这种句型结构划掉后，应该是一个完整无缺的句子。
这也是判断强调句型与其它从句的方法。
2.Itisnotuntil+被强调部分+that...该句型也是强调句型。
主要用于强凋时间状语，译成汉语“直到……才……”，可以说是not...until...的强调形式。
Itwasnotuntilshetookoffherdarkglasses thatIrealizedshewasafamousfilmstar. =NotuntilshetookoffherdarkglassesdidI realizeshewasafamousfilmstar.=Ididn'trealizeshewasafamousfilmstaru ntilshetookoffherdarkglasses.3.Itisclear/obvious/true/possible/cer tain…that…该句型中it是形式主语，真正的主语是that引导的主语从句，常译为“清楚（显然，真的，肯定……）”是主语从句最常见的一种结构。
Itisveryclearthathe'sroundandtalllike atree.=Thathe'sroundandtalllikeatreeisveryc lear.4.Itisimportant/necessary/right/stran ge/natural...that...+(should)do该句型和上一个同属一个句型。
由于主句中的形容词不同，that后的从句中要用虚拟语气（should+动词原形），should可以省去。
it做形主和形宾的句型
“it” 作为形式主语（形主）和形式宾语（形宾）的句型在英语中是非常常见的。
以下是具体的句型：
1. 形式主语（形主）：
**主语从句句型：** It + be + 形容词/名词 + (for sb.) + to do sth.
例如：It is difficult for me to learn French. （对我来说，学习法语很难。
）
在这个句子中，“it” 没有实际的意义，只是作为句子的形式主语，真正的主语是后面的不定式短语“to learn French”。
2. 形式宾语（形宾）：
**动词+ it + 宾语补足语 + 真正的宾语**
例如：I found it hard to get along with others. （我发现和别人相处很难。
）
在这个句子中，“it” 作为形式宾语，真正的宾语是后面的不定式短语“to get along with others”。
以上信息仅供参考，如果还有疑问，建议查阅英语语法书籍或询问英语老师。
it做形式主语的19个句型
1.It is/was + 被强调部分+ that/who ...该句型是强调句型。
被强调部分可以是主语，宾语，表语或状语。
强调的主语如果是人，that 可以由who 换用。
如果把这种句型结构划掉后，应该是一个完整无缺的句子。
这也是判断强调句型与其它从句的方法。
2. It is not until + 被强调部分+ that ...该句型也是强调句型。
主要用于强凋时间状语，译成汉语“直到……才……”，可以说是not ... until ... 的强调形式。
It was not until she took off her dark glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.= I didn't realize she was a famous film star until she took off her dark glasses.3. It is clear /obvious/true/possible/certain… that …该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为“清楚（显然，真的，肯定……）”是主语从句最常见的一种结构。
It is very clear that he's round and tall like a tree.= That he's round and tall like a tree is very clear.4. It is important /necessary/ right/strange/natural... that ...+(should) do 该句型和上一个同属一个句型。
It做形式主语句型整理大全
It作形式主语常见句型动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用it作形式主语，放到句首，常见句型有：1. It + be + 形容词+主语从句，如：It is uncertain whether he can come to Jenny’s birthday party or not.2. It + be + 名词词组+ 主语从句，这类名词有：a fact, a pity, a shame, an honour，a question等，如：It’s a pity that you missed the exciting football match.It remains a question whether he will come or not.3. It + be + 过去分词+ 主语从句，这类过去分词有：announced, believed, expected, hoped, decided, reported, said, shown等，如：It is reported that 16 people were killed in the earthquake.It is not decided who will give the operation to the patient.4. It + 不及物动词(seem, appear, happen等) + 主语从句, 这类不及物动词有：appear, happen, seem等，如：It seemed that he didn’t tell the truth.It happened that I was out when he called.5. It + be + 形容词+ for sb.）+ 动词不定式这类句型常用形容词easy, difficult, hard, important, possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb，如：It’s necessary for the young to master two foreign language.It is unwise to give the children whatever they want.这类形容词有：easy, difficult, hard, important, possible，wise6. It + be + 形容词+ of sb. + 动词不定式，这类形容词常是表示心理品质,性格特征的形容词，如：kind, nice stupid, clever, foolish, polite, impolite, silly, selfish, considerate等。
It做形式主语句型整理大全
It作形式主语常见句型动词不定式，动名词或主语从句作主语时,通常把它们放在谓语动词前，而用it作形式主语，放到句首,常见句型有：1。
It + be + 形容词+主语从句，如:It is uncertain whether he can come to Jenny's birthday party or not。
2. It + be + 名词词组+ 主语从句，这类名词有：a fact，a pity, a shame, an honour,a question等,如：It’s a pity that you missed the exciting football match.It remains a question whether he will come or not.3. It + be + 过去分词+ 主语从句,这类过去分词有：announced, believed, expected，hoped, decided，reported, said, shown等，如：It is reported that 16 people were killed in the earthquake.It is not decided who will give the operation to the patient。
4。
It + 不及物动词（seem，appear，happen等）+ 主语从句, 这类不及物动词有：appear, happen, seem等，如：It seemed that he didn’t tell the truth。
It happened that I was out when he called.5。
It + be + 形容词+ for sb.）+ 动词不定式这类句型常用形容词easy, difficult, hard，important，possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb,如：It’s necessary for the young to master two foreign language.It is unwise to give the children whatever they want.这类形容词有:easy, difficult, hard，important, possible,wise6. It + be + 形容词+ of sb。
it形式主语19个句型
1.It is/was + 被强调部分+ that/who ...该句型是强调句型。
被强调部分可以是主语，宾语，表语或状语。
强调的主语如果是人，that 可以由who 换用。
如果把这种句型结构划掉后，应该是一个完整无缺的句子。
这也是判断强调句型与其它从句的方法。
2. It is not until + 被强调部分+ that ...该句型也是强调句型。
主要用于强凋时间状语，译成汉语“直到……才……”，可以说是not ... until ... 的强调形式。
It was not until she took off her dark glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.= I didn't realize she was a famous film star until she took off her dark glasses.3. It is clear/obvious/true/possible/certain… that …该句型中it 是形式主语，真正的主语是that 引导的主语从句，常译为“ 清楚（显然，真的，肯定……）”是主语从句最常见的一种结构。
It is very clear that he's round and tall like a tree.= That he's round and tall like a tree is very clear.4. It is important /necessary/right/strange/natural... that ...+(should) do 该句型和上一个同属一个句型。
it做形式主语用法大全
It作形式主语常见句型动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用it作形式主语，放到句首，常见句型有：1. It + be + 形容词+主语从句，如：It is uncertain whether he can come to Jenny’s birthday party or not.2. It + be + 名词词组+ 主语从句，这类名词有：a fact, a pity, a shame, an honour，a question等，如：It’s a pity that you missed the exciting football match.It remains a question whether he will come or not.3. It + be + 过去分词+ 主语从句，这类过去分词有：announced, believed, expected, hoped, decided, reported, said, shown等，如：It is reported that 16 people were killed in the earthquake.It is not decided who will give the operation to the patient.4. It + 不及物动词(seem, appear, happen等) + 主语从句, 这类不及物动词有：appear, happen, seem 等，如：It seemed that he didn’t tell the truth.It happened that I was out when he called.5. It + be + 形容词+ for sb.）+ 动词不定式这类句型常用形容词easy, difficult, hard, important, possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb，如：It’s necessary for the young to master two foreign language.It is unwise to give the children whatever they want.这类形容词有：easy, difficult, hard, important, possible，wise6. It + be + 形容词+ of sb. + 动词不定式，这类形容词常是表示心理品质,性格特征的形容词，如：kind, nice stupid, clever, foolish, polite, impolite, silly, selfish, considerate等。
it做形式主语用法大全
It作形式主语常见句型动词不定式，动名词或主语从句作主语时,通常把它们放在谓语动词前，而用it作形式主语，放到句首,常见句型有：1. It + be + 形容词+主语从句，如：It is uncertain whether he can come to Jenny’s birthday party or not。
2. It + be + 名词词组+ 主语从句，这类名词有：a fact, a pity，a shame, an honour，a question等，如：It's a pity that you missed the exciting football match.It remains a question whether he will come or not。
3。
It + be + 过去分词+ 主语从句，这类过去分词有:announced，believed，expected, hoped, decided, reported，said, shown等，如：It is reported that 16 people were killed in the earthquake.It is not decided who will give the operation to the patient.4. It + 不及物动词（seem, appear，happen等) + 主语从句，这类不及物动词有：appear，happen，seem等，如：It seemed that he didn’t tell the truth。
It happened that I was out when he called.5. It + be + 形容词+ for sb.）+ 动词不定式这类句型常用形容词easy, difficult, hard, important，possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb，如：It’s necessary for the young to master two foreign language.It is unwise to give the children whatever they want。
it做形式主语用法大全
It作形式主语常见句型动词不定式,动名词或主语从句作主语时，通常把它们放在谓语动词前,而用it作形式主语，放到句首，常见句型有:1. It + be + 形容词+主语从句，如:It is uncertain whether he can come to Jenny’s birthday party or not.2。
It + be + 名词词组+ 主语从句，这类名词有：a fact, a pity, a shame，an honour，a question等,如：It's a pity that you missed the exciting football match.It remains a question whether he will come or not.3。
It + be + 过去分词+ 主语从句，这类过去分词有：announced, believed，expected, hoped, decided, reported，said，shown等, 如:It is reported that 16 people were killed in the earthquake。
It is not decided who will give the operation to the patient。
4. It + 不及物动词(seem，appear，happen等）+ 主语从句，这类不及物动词有：appear，happen，seem等，如：It seemed that he didn’t tell the truth.It happened that I was out when he called。
5. It + be + 形容词+ for sb。
）+ 动词不定式这类句型常用形容词easy, difficult，hard，important，possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb,如:It’s necessary for the young to master two foreign language.It is unwise to give the children whatever they want。
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I t做形式主语句型整
理大全
-CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN
It作形式主语常见句型
动词不定式，动名词或主语从句作主语时，通常把它们放在谓语动词前，而用it作形式主语，放到句首，常见句型有：
1. It + be + 形容词+主语从句，如：
It is uncertain whether he can come to Jenny’s birthday party or not.
2. It + be + 名词词组 + 主语从句，这类名词有：a fact, a pity, a shame, an honour，a question等，如：
It’s a pity that you missed the exciting football match.
It remains a question whether he will come or not.
3. It + be + 过去分词 + 主语从句，这类过去分词有：announced, believed, expected, hoped, decided, reported, said, shown等，如：
It is reported that 16 people were killed in the earthquake.
It is not decided who will give the operation to the patient.
4. It + 不及物动词(seem, appear, happen等) + 主语从句, 这类不及物动词有：appear, happen, seem等，如：
It seemed that he didn’t tell the truth.
It happened that I was out when he called.
5. It + be + 形容词 + for sb.）+ 动词不定式
这类句型常用形容词easy, difficult, hard, important, possible，wise等作表语，有时候为了强调不定式动作的执行者，常在不定式前加for sb，如：It’s necessary for the young to master two foreign language.
It is unwise to give the children whatever they want.
这类形容词有：easy, difficult, hard, important, possible，wise
6. It + be + 形容词 + of sb. + 动词不定式，这类形容词常是表示心理品质,性格特征的形容词，如：kind, nice stupid, clever, foolish, polite, impolite, silly, selfish, considerate等。
某人和这些形容词可以构成主系表结构。
如：It’s very kind of you to help me with the work.
=You are kind to help me.
It seemed selfish of him not to share his dictionary with others.
=He seemed selfish not to share his dictionary with others.
7. It + be +名词词组 + 动词不定式，如：
It is not a good habit to stay up too late.
8. It + be + 名词或形容词 + 动名词，这类名词和形容词常常是：good, no good, no use, a waste of, useless, senseless等，如：
It’s a waste of time talking to her any more.
It is no use arguing about the matter with him.
9. It + take ( sb. )+ 时间（金钱）+ 动词不定式，如：
It took the workers almost three years to finish building the dam.
It will take a whole day to get to the top of the mountain on foot.
2。