高中英语It的常用句型思维导图
本篇思维导图总结了高中英语It作主语，形式主语，形式宾语和在强调句中的一些句型
树图思维导图提供 高中英语It的常用句型 在线思维导图免费制作，点击“编辑”按钮，可对 高中英语It的常用句型 进行在线思维导图编辑，本思维导图属于思维导图模板主题，文件编号是：d8e6769f6f57811609193594b148baa5
思维导图大纲
高中英语It的常用句型思维导图模板大纲
It作主语的句型
1. It takes sb. … to do…(=sb takes…to do…)某人用多长时间做某事
2. It's (just)(un)like sb. to do…（不）像某人做某事的风格
3. It's (about/high) time that… should /v-ed…是该做某事的时候了
4. It's the x-th time (that) … have v-ed…第几次做某事了
5. It is/has been… since …continuous v-ed(延续性动词) 某动作已有多长时间不发生了
6. It was(not)… before…过(不)了多长时间某动作发生了
It用作形式主语
1. 代作主语的动词不定式
(1) It be adj. (for sb.) to do sth.
此处adj. 通常为描述事件的形容词
(2) It be adj. of sb. to do sth.
此处adj. 通常为描述人的形容词
(3) It替代作主语的动名词的常见句型
It's no good/use doing… It's (well)worth doing…
It's (well)worth one's while doing/to do… It's (well)worth while doing/ to do
2. It替代作主语的从句常见句型
(1) It is + noun +从句
(2) It is adj. +clause
(3) It verb sb. + clause= It is v-ing + clause
(4) It verb (to sb.) that…= sb/sth verb to do
(5) It is v-ed that…=sb/sth is to do
(6) It is v-ed that … (should)…
It 作形式宾语
1. verb+ it+ adj./noun (for/of) to do/clause (verb=think, believe, suppose, consider, feel, make, keep…)
2. verb+it+adj./noun (one's) doing
(adj.=useless/worth/worthwhile)(noun=no use/no good/worth one's while/a waste of time/money/energy/words
(verb=think, believe, suppose, consider, feel, make, keep…
3. verb+it+ important/unimportant/necessary/unnecessary/natural/essential that … (should)…
4. verb + it+ as+ noun/adj.+ clause (verb=accept, regard, take, see, view)
5. v. +it + prep. + that…
6. It用在不能直接跟宾语从句的动词后面，尤其是表示好恶的动词后，enjoy, like, love, dislike, resent, hate, don't mind, be fond of, feel like, see to 宾语从句紧跟it之后
7. It用在不能直接跟宾语从句的介词后面，宾语从句紧跟it之后（except that例外）
强调句型
It is/was+被强调部分+ that(who)… 强调句型用来强调谓语动词以外的任何句子成分。当被强调部分是人时也可以用who。
在使用强调句型时需注意以下几点
1. 请注意强调句型的特殊疑问句
例 When was it that he changed his mind to take part in the activity？
2. 在强调原因状语从句时，只能强调由because所引导的从句
3. 在强调not … until结构时必须把not与until一起放到被强调的位置上
例 It was not until she took off her dark glasses that I realized she was my brother.
4. 注意强调句型与定语从句的区别
例 It was at 7 o'clock that he came here yesterday.( 强调句型) It was 7 o'clock when he came here yesterday.(定语从句)
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