It做形式主语句型整理大全
“it”作为形式主语的十大考点
“it”作为形式主语的十大考点1、It’s +形容词/名词+（for sb. / sth）+to do sth可以用于这类句型的形容词和名词以及例句如下：点击添加图片描述（最多60个字）2、It’s +形容词+of sb. +to do sth这个句型是同学们最容易丢分的，大家需要知道在这个句型中，形容词是描述人的品德、特征。
同学们看一下能用于这个句型的形容词和例句：点击添加图片描述（最多60个字）3、It’s +形容词/名词+doing sth在这个句型中，常见的形容词和名词有：no /little use, no /much good, useless等。
例如：It is no use crying over spilt milk.It is no good talking about other’s faults.4、It’s +形容词+that…能用于这个句型的形容词有：possible, important, impossible, necessary, strange, natural, surprising, obvious, true, likely, unusual等。
除了true, likely,obvious这三个词外，其他的词后面that从句一般要用虚拟语气，（should+动词原形）should可以省略。
大家看下面例句：点击添加图片描述（最多60个字）5、It’s +名词+that…在这个句型中，常用的名词有：fact, honor, belief, good thing / news, （no）wonder, no doubt, pity, shame等。
如例句1。
需要注意的是，在使用pity和shame的时候，从句一般用虚拟语气（should+动词原形），should可以省略。
意思是表示出乎意料“竟然”，如果没有这种意义的时候，就可以不用虚拟语气。
如例句2和3。
点击添加图片描述（最多60个字）6、It’s +及物动词的过去分词+that…这个句型中常见的及物动词的过去分词和例句如下：点击添加图片描述（最多60个字）7、It+不及物动词+that…能用于这个句型中的不及物动词常见的有：seem, happen, appear, matter等，例如：点击添加图片描述（最多60个字）8、It+及物动词+宾语+主语从句用于这类句型的动词有：affect, disappoint, impress, interest, worry等，例如：点击添加图片描述（最多60个字）9、It takes sb. + sometime to do sth.这个句型的意思是“花费某人多长时间做某事”例如：It took us half an hour to ride to the town by bike.10、It’s time (about time, high time ) +that…这个句型中that后面的从句要用虚拟语气，需要注意的是：常常用过去时态表示虚拟，有的时候也用should+动词原形，should不能省略。
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
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形式主语句型
一. It+be动词+过去分词+that从句It's reported that ...据报道...It is generally thought that...人们普遍认为It has been found that...现已发现...It's believed that...据信...It should be noted that...应当注意...It must be pointed out that...必须指出...say/expect/know/estimate/forecast二. It+be动词+形容词+that从句It is clear that...显然...It is likely that...很可能...It is certain that...可以相信...It is fortunate that...幸运的是...It is possible that...很可能...It is natural that...很自然...It is strange that...奇怪的是...It is necessary that...有必要...三. It+be动词+名词短语+that从句It is a pity that...可惜的是...It is good news that...真是太好了...It is no wonder that...难怪...It is a fact that...事实是...It is agood thing that...真是件好事...It is a shame that...遗憾的是.../...真是太不像话了It is an honor that...真荣幸...It is my belief that...我相信...It is common knowledge.. ....是常识It is a miracle that... ...真是奇迹四. It+不及物动词+that从句It seems that...似乎...It happens that...碰巧...It comes about that...结果是...It follows that...因此.../由此可见...It turns out that... 结果证明是...五. 其他结构It draws upon/on sb that......某人突然想起It makes no difference that... ...无所谓It is of little consequence that... ...无关紧要It occurs to sb that... 某人突然想起It doesn't need to be bothered that...不必担忧...。
it做形式主语PPT课件
.1 代替主语从句
1）It is + adj. +that从句
① It is clear ( obvious， true， possible certain....) that ..... “清楚（显然，真的，肯定．．．）”
It is very clear that he’s round and tall like a tree.
It seems that he will be back in a few days. 看 来．．．
.
5
6). It doesn’t matter whether ( if ) ...
该句型中whether(if) 引导的从句是真正主语， 该句型常译为＂不论（是否）．．．没关 系．．．。
It doesn’t matter if they are old.
.
15
. We are counting on it that you will come.
该句型中的it是一个形式宾语，表示模糊意 思或代替后面that 引导的宾语从句。 因为在这个句型中的谓语动词都是需要跟宾 语的，但又不能直接跟从句作宾语，于是就 得在从句前加上一个形式宾语it。
常见的短语和动词有：count on (依靠， 指望，期盼), see to(负责), depend on (依 靠), rely on(信赖，依靠)等。
It is kind of you to say so.
= You are kind to say so.
3). It is necessary ( for sb. ) to do sth.
常见的形容词有：① important， necessary， natural ② easy ，
it 做形式主语的句子结构
it 做形式主语的句子结构以it做形式主语的句子结构：1. It is believed that technology advancements have greatly improved our lives.2. It is crucial for businesses to invest in IT infrastructure to stay competitive.3. It is important to regularly update your software to protect against cyber attacks.4. It is necessary for IT professionals to have strong problem-solving skills.5. It is essential for companies to have a reliable IT support team to ensure smooth operations.6. It is beneficial for individuals to learn basic IT skills in today's digital age.7. It is recommended to back up your data regularly to prevent data loss.8. It is necessary to conduct regular IT audits to identify potential vulnerabilities.9. It is important to have a disaster recovery plan in place to minimize downtime in case of IT failures.10. It is crucial for businesses to prioritize cybersecurity toprotect sensitive information.It is believed that technology advancements have greatly improved our lives. From the invention of the wheel to the development of smartphones, technology has revolutionized the way we live, work, and communicate. With the rapid pace of innovation, it is imperative for businesses and individuals to embrace and adapt to these changes.It is crucial for businesses to invest in IT infrastructure to stay competitive. In today's digital age, technology plays a vital role in every industry. Whether it is managing customer data, streamlining operations, or enabling online transactions, a robust IT infrastructure is essential for businesses to stay relevant and meet the evolving needs of their customers.It is important to regularly update your software to protect against cyber attacks. With the increasing prevalence of cyber threats, software vulnerabilities are constantly being exploited by hackers. By keeping your software up to date, you can ensure that your systems are equipped with the latest security patches and protect yourself from potential attacks.It is necessary for IT professionals to have strong problem-solving skills. As technology continues to advance, IT professionals are faced with increasingly complex challenges. From troubleshooting network issues to resolving software bugs, having strong problem-solving skills is crucial in order to effectively address these issues and minimize downtime.It is essential for companies to have a reliable IT support team to ensure smooth operations. When technical issues arise, having a dedicated IT support team can make a significant difference in minimizing disruptions and resolving problems efficiently. Whether it is providing remote assistance or conducting on-site repairs, a reliable IT support team is essential in maintaining business continuity.It is beneficial for individuals to learn basic IT skills in today's digital age. As technology becomes more integrated into our daily lives, having basic IT skills is becoming increasingly important. From using productivity software to navigating online platforms, having a solid foundation in IT can enhance one's employability and enable them to fully participate in the digital world.It is recommended to back up your data regularly to preventdata loss. Data loss can occur due to various reasons such as hardware failure, accidental deletion, or malware attacks. By regularly backing up your data, you can ensure that your important files and documents are protected and can be easily restored in case of an unforeseen event.It is necessary to conduct regular IT audits to identify potential vulnerabilities. IT audits help businesses assess the effectiveness and security of their IT systems and identify any weaknesses or vulnerabilities. By conducting regular audits, businesses can proactively address any issues and implement necessary measures to enhance their IT infrastructure.It is important to have a disaster recovery plan in place to minimize downtime in case of IT failures. IT failures can occur due to various reasons such as natural disasters, hardware malfunctions, or cyber attacks. Having a well-defined disaster recovery plan can help businesses minimize downtime, restore operations quickly, and ensure business continuity.It is crucial for businesses to prioritize cybersecurity to protect sensitive information. With the increasing frequency and sophistication of cyber attacks, businesses must prioritizecybersecurity to protect their sensitive information and maintain the trust of their customers. This includes implementing robust security measures, conducting regular security audits, and providing cybersecurity training to employees.In conclusion, the role of IT in our lives and businesses cannot be overstated. From improving efficiency and productivity to protecting sensitive information, IT plays a vital role in today's digital age. By recognizing the importance of IT and investing in the necessary infrastructure and skills, individuals and businesses can fully leverage the benefits of technology and stay ahead in an increasingly digital world.。
it作形式主语句式结构
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句型归纳最全总结
It 句型归纳总结I．It 作形式主语的句型①It + be + adj (kind , wise , careless, clever…) + of sb to do sthEg: It is wise of him to make such a decision.他做出这样的决定是明智的。
②It + be + adj(easy , safe , common , normal …) + for sb to do sth该句型中adj若为important, necessary, natural, possible, strange, vital, essential等可改为从句,从句用should+动词原形。
.Eg: It’s very dangerous for children to play with fire.It is important for us to learn English well. (= It is important that we (should) learn English well.)③It + be +V-ed( reported, believed, said, suggeste d…) + that 从句该句型中：⑴若V-ed为reported, believed, said等常译为“据报道”，“据认为”，“据说”。
⑵若V-ed为suggested, ordered, demanded, insisted等表示“建议”,“命令”的词，从句要用虚拟语气(should)+动词原形。
Eg: It is suggested that the book (should) be revised.It’s said that Tom has been back from abroad. (=Tom is said to have been back from abroad.)④It + be + n (a pity, a shame, a fact , good new s…) + that 从句:该句型中，从句一般用(should) + 动词原形，表示出乎意料，常译为＂竟然＂。
it作形式主语形式宾语it开头的短语
D. when
7/5/2024
It 作形式主语 8. It + be + 名词或形容词 + 动名词， • 名词和形容词：good, no good, no use, a waste of,
useless, senseless, no hope, hopeless等 • It’s a waste of time talking to her any more. • It is no use arguing about the matter with him.
mountain on foot.
7/5/2024
练习题
1. In fact， D is a hard job for the police to keep order in an important football match.
A. this
B. that
C. there D. it
It + be + 名词词组（+ for sb.）+ 动词不定式
hoped, decided, reported, said, shown等。
• It is reported that 16 people were killed in the earthquake.
• It is not decided who will give the operation to the patient.
7/5/2024
以it开头的句型 2. it has been/is +一段时间+ since从句 It is six years since I began to work here. It has been six years since I worked here.
it做形式主语用法大全含练习及答案
it做形式主语用法大全含练习及答案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 h e 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作形主语的五种
it作形主语的五种IT 作为形式主语的五种情况如下：1. 结构：It + be/have/do + 名词/代词+ 形容词/副词/动词-ing/动词过去分词等形式。
例子：-It is said that he is going to join our team.（据说他将要加入我们的团队。
）-It has been raining since morning.（自从早上就一直下雨。
）2. 结构：It + 动词过去分词+ 名词/代词+ 形容词/副词等形式。
例子：-It seemed like a good idea at the time.（当时看来这是一个好主意。
）-It occurred to me that we had met before.（我想起来我们之前见过面。
）3. 结构：It + 动词-ing + 名词/代词+ 介词+ 宾语等形式。
例子：-It's interesting to learn about different cultures.（了解不同的文化很有趣。
）-It's important to keep the environment clean.（保持环境整洁很重要。
）4. 结构：It + 动词-ing/动词过去分词+ 副词等形式。
例子：-It's been a long time since we last met.（自从我们上次见面已经过去很长时间了。
）-It doesn't matter if he doesn't know.（他不了解没关系。
）5. 结构：It + 动词-ing/动词过去分词+ 宾语等形式。
例子：-It happened that I knew the person involved.（碰巧我知道涉及的那个人。
）-It occurred to me that I hadleft my wallet at home.（我想起来我把钱包忘在家里了。
常用it作形式主语的句型结构
常用it作形式主语的句型结构◇It+be+形容词+that-从句可用于此句型的形容词有:wonderful,true，good，right，wrong，（un）important，useless，surprising，clear，unusual，lucky，certain,necessary等。
如：①It is quite certain that he will be at the meeting.②It is surprising that he came late to school this morning.③It is important that we(should)study hard注意:该句型中的形容词是（un）important,necessary等时，从句应为(should)+动词原形。
◇It+be+-ed分词+that-从句适用该句型的过去分词主要有:said,reported,announced,hoped,thought，told，believed，expected，decided，suggested,known等。
如：①It is hoped that one day they will have enough animals to set them free②It is well known that the earth goes around the sun.③It is suggested that the sports meeting(should)be put off until next week.注意:该句型的过去分词是suggested时，从句应为(should)+动词原形。
◇It+be+名词+that-从句适用该句型的名词（词组）有:a pity，an honor，a good thing，a fact，a surprise，good news, one’s duty等。
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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.。