2018年秋人教版高二英语选修6课件：Unit 3 Learning about Language (共31张PPT)

教师用书配套课件 Jnit3 a healthy life健康生活 Learning about language 认知·探索 语法精讲逵析 it的用法(I) 观察探究g 1.阅读并观察下面三个句子,说出it的用法 ① It is surprising that he passed the exam.(作形式主语) ② He found it difficult to get up early.(作形式宾语) ③ It is a long way to our school.(指距离) 2.从文章中找出三个使用it的句子并注意i的用法 OIt is a beautiful day here and i am sitting under the big tree at the end of the garden. @2 Your mother tells me that you started smoking some time ago and now you are finding it difficult to give it up. BI know how easy it is to begin smoking and how tough It is to stop. 语法精点 一、it用作人称代词 主要指前面刚提到的事物;也可以指代婴儿或未知性 别的人;还可以指代一个彼此都知其所指的东西 k The train has arrived It arrived half an hour ago 火车到了,它半小时前已经到了。(指代前文提及的事 物 k The baby is crying, for it's hungry. 孩子在哭,因为饿了。(指代婴儿) —Who’ s knocking at the door 谁在敲门 It must be my brother. 定是我弟弟。(指代不确定的人) 名师点津》名词替代词的用法区别也是高考考查的热 点内容之一,特别是在近几年的高考题中,出现的频 率很高。常用的名词替代词: (1)it:主要替代前面的名词本身;(2)one:用来代替 前文提到的单数名词以避免重复;(3)ones:替代前文 提到的复数名词;(4)that:替代可数与不可数名词 表示特指;(5) those:替代上文中提到的复数名词,其 前可以不用限定词