Unit 4 Section Ⅲ Grammar-2021-2022学年高中英语选修6【名师导航】同步课件PPT(人教新课标版)

Unit 4 Global warming Section Ⅲ　Grammar it 的用法(Ⅱ) 1 语法精要·点拨 返首页 语法应用·落实 1 2 语法精要·点拨 返首页 语法应用·落实 2 human activity a scientist 人 who 主语 3 语法精要·点拨 返首页 语法应用·落实 3 语 法 精 要 点 拨 4 语法精要·点拨 返首页 语法应用·落实 4 5 语法精要·点拨 返首页 语法应用·落实 5 6 语法精要·点拨 返首页 语法应用·落实 6 7 语法精要·点拨 返首页 语法应用·落实 7 Nancy your sister in Tokyo last week It was Nancy that/who saw your sister in Tokyo last week It was your sister that/who Nancy saw in Tokyo last week 8 语法精要·点拨 返首页 语法应用·落实 8 It was last week that Nancy saw your sister in Tokyo It was in Tokyo that Nancy saw your sister last week 9 语法精要·点拨 返首页 语法应用·落实 9 10 语法精要·点拨 返首页 语法应用·落实 10 How How was it that you forgot to lock the door? he Was it he who/that worked where his father had studied? 11 语法精要·点拨 返首页 语法应用·落实 11 12 语法精要·点拨 返首页 语法应用·落实 12 13 语法精要·点拨 返首页 语法应用·落实 13 14 语法精要·点拨 返首页 语法应用·落实 14 15 语法精要·点拨 返首页 语法应用·落实 15 16 语法精要·点拨 返首页 语法应用·落实 16 17 语法精要·点拨 返首页 语法应用·落实 17 helps were 18 语法精要·点拨 返首页 语法应用·落实 18 语 法 应 用 落 实 19 语法精要·点拨 返首页 语法应用·落实 19 that was who/that 20 语法精要·点拨 返首页 语法应用·落实 20 that is that it 21 语法精要·点拨 返首页 语法应用·落实 21 makes when that 22 语法精要·点拨 返首页 语法应用·落实 22 Thank you for watching ! 23 语法精要·点拨 返首页 语法应用·落实 23 语 境 自 主 领 悟 先观察原句 1．There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon． 2．It was a scientist called Charles Keeling who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to 1997． 3．They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide． 语 境 自 主 领 悟 后自主感悟 1．例1中的it is．．．that．．．为强调句型，在这个句型中，it没有意义，只是引出被强调的成分。此处强调的是同位语从句的主语_____________。 2．例2中的it was．．．who．．．为强调句型，此处强调的是主句的主语____________。被强调的成分是表示 的词，故也可用 。 3．例3中的it is．．．that．．．为强调句型，此处强调的是宾语从句的_______the burning of more and more fossil fuels。 一、强调句型的基本结构 强调句型的基本结构为：it is/was＋被强调部分＋that/who＋其他成分 1．此结构中it 没有意义，只是引出被强调部分。 2．此强调句型只能强调主语、宾语、状语，不能强调谓语。 3．被强调的成分是表示人的词时用who/that，而被