it、is、that、强调句用法怎么用？让我们一起来了解下。
1、强调主语
强调句型it is that中都是使用is。例如They used to be our best friends.改为强调句，强调主语，就变成It was they that used to be our best friends
2、强调宾语
对于双宾语动词，其引导的直接和间接的宾语都是可以被强调的，如She lent me some books five days ago.改为强调句型就为It was some books that she lent me five days ago这里强调的是直接宾语some books ，而其实其中的间接宾语me也是可以被强调的。
3、强调状语
英语里常可被强调的是方式状语、地点状语和时间状语。比如：He often plays basketball with his classmates in the gym on weekends.
强调地点状语：It is in the gym that he often plays basketball with his classmates on weekends.
强调时间状语：It is on weekends that he often plays basketball in the gym.
拓展：
英语语法需要掌握哪些东西？
名词：
名词是表示名称如人、动物的词。除代词外，在句子中用作动词的主语或宾语的词，或是在独立结构中表示名称的词，或是在联系动词后作表语用的词。
动词：
是英语中一种很重要的词性，一般用来表示动作或状态。按照表达的意义和使用方式，动词可以分为以下几类：实义动词，系动词，助动词。
介词：
常见的介词有自、从、根据、按照、对于、关于等等。现代汉语分为实词与虚词两类，介词属于虚词类。虚词分为连词、介词、副词、助词、叹词、拟声词六类，而介词又可以划分为8类，分别表示时间方向、方式、目的、原因、对象范围、排除、被动、比较等。
形容词：
形容词主要用来描写或修饰名词或代词，表示人或事物的性质、状态、特征或属性，常用作定语，也可作表语、补语或状语。
副词：
副词是指在句子中表示行为或状态特征的词，用以修饰动词、形容词、其他副词或全句，表示时间、地点、程度、方式等概念。
今天的分享就是这些，希望能帮助大家。
最简单的方法是将it iswas及that去掉，并且剩余的部分组织起来，句子仍然能够组成完整的表达，并且成立，那么即为强调句，如若不能，否则不是强调句。
例如：All the members held a meeting in the room yesterday.
（强调a meeting ）It was a meeting that all the students held in the room yesterday.
（强调in the room ）It was in the room that all the students held a meeting yesterday.
（强调yesterday）It was yesterday that all the students held a meeting in the room.
It 作形式主语代替主语从句，主要是为了平衡句子结构，它是形式的主语而不是主语从句。主语从句的连词保持不变。它指向的强调句强调句子的一部分，不管强调的是什么，它都可以用作连接词。
主语从句：It is +形容词/名词/某些动词ed + that 从句。
扩展资料：主语从句，即在复杂句中充当主语成分的句子，例如"That he finished writing the composition in such a short time surprised us all"，他在很短的时间内写完作文让我们都很惊讶。
此复合句主要描述的是某事让我们惊讶，某事就是该复合句的主语，因此“That he finished writing the composition in such a short time”便是该复合句的主语从句。
主语从句的时态不受主句时态的影响和*
例如：
（1）That he finished writing the composition in such a short time surprised us all.
他在如此短的时间内写完作文使我们十分惊讶。
（2）Whether we will go for an outing tomorrow remains unknown.
我们明天是否会去郊游仍旧未知。
（3）Who will be our monitor hasn't been decided yet.
现在还没有决定谁会成为我们的班长。
（4）Whom we must study for is a question of great importance.
“我们为谁而学习”是个很重要的问题。
（5）What caused the accident remains unknown.
事故的起因是未知的。
最简单的方法是将it iswas及that去掉，并且剩余的部分组织起来，句子仍然能够组成完整的表达，并且成立，那么即为强调句，如若不能，否则不是强调句。
举例说明：
All the members held a meeting in the club yesterday.
（强调all the members） It was all the members that held a meeting in the club yesterday.
（强调a meeting ）It was a meeting that all the members held in the club yesterday.
（强调in the club ）It was in the club that all the members held a meeting yesterday.
（强调yesterday）It was yesterday that all the members held a meeting in the club.
It 作形式主语代替主语从句，主要是为了平衡句子结构，主语从句的连接词没有变化。而it引导的强调句则是对句子某一部分进行强调，无论强调的是什么成分，都可用连词that。被强调部分指人是也可用who/whom。
主语从句：It is +形容词/名词/某些动词ed + that 从句。
拓展资料It 作形式主语和it引导强调句的比较
It 作形式主语代替主语从句，主要是为了平衡句子结构，主语从句的连接词没有变化。而it引导的强调句则是对句子某一部分进行强调，无论强调的是什么成分，都可用连词that。被强调部分指人是也可用who/whom。例如：
It is a pity that you didn'tgo to see the film.
It doesn't interest mewhether you succeed or not.
It is in the morning thatthe murder took place.
It is John that broke thewindow.
最简单的方法就是如果除掉It is......that....，这个句子还是完整的，则是强调句，不完整则是主语从句其实结构相似但不相同,形似而神散,It is + 形容词、动词的现在分词/过去分词 + 主语从句It is important that teachers respect their students.It is believed that dogs know men by smell.It is interesting that nobody knew it.It is (was)+ 名词、代词、介词短语 + that + 句子I saw a man naked running in Quancheng Square last night.It was I that saw a man naked running in Quancheng Square last night.It was a man naked that I saw running in Quancheng Square last night.It was in Quancheng Square that saw a man naked running last night.It was last night that I saw running in Quancheng Square.
强调句将句子中的it is / was …that同时省去,句子仍然成立；而主语从句将that与后面部分代替it,成立.如：(1) It is Li Lei’s brother that you met in the street yesterday. 你昨天在街上所见到的就是李蕾的兄弟.本句若将It is 及 that同时省去为：You met Li Lei’s brother in the street yesterday. 句子同样成立,因此前面的句子是强调句型.(2) It is exciting that we have succeeded in sending up Shenzhou V. 我们成功地发*神舟五号这件事情真令人兴奋.本句若将It is 及 that同时省去为：We have succeeded exciting in sending up Shenzhou V. 显然句子错误,因此,前面句子不是强调句型,而是主语从句.
把这个形式去掉之后句子还能念得通就是强调句。
几位网友说得都比我想说的好！他们学识渊博！追答采纳他们的意见吧！祝你学习进步！
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