1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
高中英语语法与词汇《Structures in Use、Grammar in Use》最新教案优质课下载
教学内容：
“The use of it”(it的用法)
一 、指示it
二、形式it
作形式主语，替代不定式，-ing形式或主语从句
1 )作形式主语替代不定式
①. It is +adj. ( of sb. ) to do sth.
②. It is +adj. ( for sb. ) to do sth.
(2 )作形式主语替代ing形式
2 )作形式主语替代主语从句
(1).①. It is /was +adj.(clear, obvious, true， possible， uncertain....) that .....
② It is important ( necessary， right， strange， natural...) that ...
.① It is+过去分词( said/reported/ learned/recognized /thought/known/accoknowledged ) that ...
(3). It is +n. (a pity /a shame /an honour/a good thing/a fact,/a comfort/... ) that ...
(4). It +vi. (happens /seems/ looks/ appears/matters ) that... 该句型中it是形式主语，that 引导的是主语从句.
2.作形式宾语，代替不定式，ing形式，宾语从句。
三、强调it
1. 强调句型__________________________________________________________
一般疑问句：_____________________________________________________
特殊疑问句：___________________________________________________________
特殊it
1. It is time ( about time ，high time ) that ...
It is the first ( second ... ) time that ...
3. It takes sb. ... to do sth.
4. It is ... when ...。