It的用法总结
It的用法总结
在英语中,it有许多不同的用法,它既可以用作代词(如人称代词、非人称代词),也可以用作引导词(作形式主语或形式宾语),还可以用来构成强调句型。
it用作代词
(1) 用作人称代词
It的用法总结
It的用法总结
在英语中,it有许多不同的用法,它既可以用作代词(如人称代词、非人称代词),也可以用作引导词(作形式主语或形式宾语),还可以用来构成强调句型。
it用作代词
(1) 用作人称代词 在句子中作主语或宾语;指前面已经提到过的事物、动物或人,且it指特定的事物;如果指前文中提到的事物中的任何一个,用one。one可以与any, each, every, not等连用,但one不可代替不可数名词。
—where’s your car?
—it’s in the garage. 你的汽车在哪儿呢?在车库里。(指代物品your car)
did you hit it? 你打中了吗? (指代事件)
the baby cried when it was 。(指代婴儿,尤指性别不详或无所谓时)
—who is that?
—it’s me. 是谁?我。(指一定情景中所确定的人或事物,此时相当于指示代词,代指this和that,有时也指人)
—what’s this?
(1) 作形式主语 由动词不定式、动词-ing短语或名词性从句担任主语的句子,常用it来作形式主语,而把真正的主语放在句子的后面。
it’s not easy for us to learn english well. [句型为: it +be+形容词+(for sb.)to do sth.]
it’s foolish of you to say that to her. [句型为: it +be+形容词+(of sb.)+to do sth.]
it’s no use/good/help…sleeping too much. (句型为: it +be+名词+doing)
it’s important that we be there on time.(句型为: it +be +形容词+that从句)
it’s high time that tom went to school. (句型为: it +be +time +that从句,从句中的动词用过去时)
it was the second time that he had telephoned me that day. [句型为: it +be+ the first(second, third)time +that从句](that从句中动词用完成时)
it was arranged that they should leave the following winter. (句型为: it +be+过去分词+that从句)
it appears that the two leaders are holding secret talks. (句型为: it +不及物动词+that从句)
(2) 作形式宾语 当宾语是动词不定式、动词-ing短语或名词性从
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