it作句子的真正主语语法
在现实生活或工作学习中,大家总免不了要接触或使用句子吧,根据用途和语气,句子可以分为陈述句、疑问句、祈使句、感叹句。你所见过的句子是什么样的呢?下面是为大家收集的it作句子的真正主语语法,希望对大家有所帮助。
it作句子的真正主语语法 1
1.it 指前面已经提到过的人或事物,有时指心目中的或成为问题的`人或事物,作真正主语。
例如:
What’s this? -It is a sheep? 这是什么??这是一只绵羊。
Who is it? -It’s me (I). 谁?是我。
It’s the wind shaking the window. 是风刮得窗户响。
2.it指时间、季节。一般用在无人称动词的主语。
例如:
What time is it? -It’s nine. 几点了?九点了。
It’s time for the meeting. Let’s go. 开会的时间到了,我们走吧。
What day is today? -It’s Saturday. 今天星期几?今天星期六。
What’s the date today? -It is October 1st.
今天是几号? ?今天是十月一日。
What season is it? -It is summer. 现在是什么季节??是夏季。
3.it 指气候。一般作无人称动词的主语。
例如:
Is it cold in this room? -No, it isn’t. 屋里冷吗??不冷。
What’s the weather like today? -It is fine.
今天天气怎么样?是晴天。
It often rains in summer and it often snows in winter in this city.
这个城市夏天经常下雨,冬天经常下雪。
4.it指距离、情况等。一般用作无人称动词的主语。
例如:
It is five kilometers from my home to the school.
从我家到学校有五公里。
It is very near from this factory to that one.
从这个工厂到那个工厂非常近。
It is a long way to the sea. 离海很远。
Is it well with you? 你身体好吗?
it作句子的真正主语语法 2
一.it用作形式主语可以代替下列从句:
1. that从句。基本模式为: it+系动词+表语+that从句。主要四种句型:
(1).it+be+形容词+that从句。句型的形容词有: necessary clear,true, strange, important,wonderfulpossible,likely, obvious, surprising等。
(2).It+be+名词(词组)+that从句。常用于这种句型的名词(词组)有:fact, good idea, honour, shame, no wonder, good news等。
(3).lt+be+过去分词+that从句。常用于这种句型的过去分词有:said, reported ,hoped, believed expected等。
(4).It + seems/happens/ appears/doesn't matter/makes no difference+that从句。
备注:要体会that从句用陈述语气,还是虚拟语气。
2. what从句,what引导主语从句做形式主语。
如:It doesn’t matter what he says.
3. who从句,如:It is not clear who will attend to this matter.
4. how从句,如:It hit her how exciting the news was .
5. when从句,如:It hasn’t been made clear when the conference is to take place.
6. where从句,如:It doesn't matter too much to me where you go .
7. why从句,It was not clear why Tom was late for the meeting.
8. whether从句,如:It doesn’t interest me whether you succeed or not.
二.it作不定式的形式主语
基本模式为:it + be + 表语 + 不定式,或it +谓语动词+宾语 + 不定式。常见句型有
1).it + be + 形容词 + 不定式。如:It is difficult to learn English.
2) it + be + 名词 + 不定式。如:It was his job to clean the yard.
3) it + 动词 + 宾语 + 不定式。如:It took me a lot of time to finish the task.
4) it + be + 介词短语 + 不定式。It is against the law to steal.
备注:若it + be + 表语 +of sb + 不定式,表语形容词表示sb的特征描述,如: fool, kind, wise等.若it + be + 表语 +for sb + 不定式表语形容词表示主语it的特征描述,如:hard, easy, able, likely,important 等。
三.it作动名词的形式主语
1) it + be + 名词(如:no good, no use, nuisance, a waste, a wonder 等) + 动名词 。如:It’s no use spending a lot of time on the job.
2) it + be + 形容词 + 动名词。
It was very hardt getting along well with those men .
转载请注明出处学习一生 » it作形式主语的四种基本句型例句