it作句子的真正主语语法

时间:2022-10-27 11:28:10 句子 我要投稿

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?下面是小编为大家收集的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

  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 .

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