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1、2021届高考英语it的用法及强调句型语法专题教案XX年高三一轮复习金子般的学案语法部分：it的用法及强调句型（新人教版）it的用法一、it作指示代词【完成句子】 用one，ones，it，that，those填空 (1) i cant find my watch. you havent found _？ if you want to buy a new _， i suggest you buy _ made in china. (2) weve got a big cup and two small _. (3) the weight of an elephant is much great
2、er than _ of a tiger. (4) the books on the first shelf are easier than _ on the second shelf. (5) the boy told his story and _ of the girl upstairs. 【答案】 (1) it; one; one (2) ones (3) that (4) those / the ones (5) that / the one【结论1】 指代上文提过的事物时，it指的是同名同物，相当于the名词； one指的是同名异物，表示单数可数名词相当于a 名词；a / an形容
3、词one等于a / an形容词名词；复数形式用ones； that后面常有后置定语，有特指意义，代替不可数名词或单数可数名词，相当于the名词； 复数名词用those，相当于the ones。 【例句观察】 someone is knocking at the door. who is it? it must be leo. he said hed come to see me. 【结论2】it指代人时，常指小孩或身份不明的人。【例句观察】 its too quiet in the room. everyone just keeps silent. 【结论2】it可用以指代环境或情况。【完成例
4、句】 根据语境补全句子 (6) what time is it now? its half past seven. (7) it is spring now and its warm these days. 【结论4】 it可用以指代时间、季节、天气或距离。【注意】 it指代时间时，有如下一些句型： (1) it is time for sth. (for sb.)to do sth. / that从句(should do / did, 必须用虚拟语气) 例： its time for lunch. its time for us to clean the house. its time th
5、at we should clean the house. its time that we cleaned the house. (2) it is / has been some time since从句 (从句用一般过去时) (3) it / this is the first / secondtime that从句(必须使用现在完成时)这是某人第次做了某事。 it / that was the first / secondtime that从句(必须使用过去完成时)3推荐阅读：2021届高考二轮复习英语教案-专题十四 强调句、省略句、插入语语法讲解：强调句（精品推荐）2021届高考二轮复习英语学案-专题十四 强调句、省略句、插入语语法复习五：强调句、It的用法、省略和插入语备战2019届高考英语（通用版）一轮复习专题08 强调句2017届高考英语强调句型复习小学英语教案英语教案模板英语教案 第 2 页 /总页数2 页