(
课件网) Unit 7 Inventions Make Life Better 教师寄语：Creative thinking inspires ideas; ideas inspire change. Part 4 Grammar Practice Production Summary Lead-in Presentation Find the rules A:Developments in science and technology make our life better. B: Developments in science and technology do make our life better. A:The touch screen technology makes all of these new things so easy to use. B:It’s the touch screen technology that makes all of these new things so easy to use. What is the difference What B said expresses stronger feelings by using auxiliary verb “do” and the sentence pattern “It is ...that...” Presentation Lead-in Emphatic sentence Practice Production Summary 强调句可用来强调句子中的某个特定成分，以表示强烈的感受或某种对比。 1. 助动词 do 及其相应形式可以用来强调谓语动词。（时态只有一般现在时和一般过去时。） e.g. You do look nice today! 2. it 可用来对句子的某一成分加以强调 结构：It + is/was+ 被强调的部分+ that / who + 其他部分。 作用：强调句用来强调句子的主语，宾语，表语，状语等 e.g. It was yesterday that she got this beautiful skirt. Lead-in Presentation Practice Production Summary Task 1: try to divide sentence element(句子成分) Task 2:change the sentence forms according to the request. I met Li Ming at the railway station yesterday. subject verb object adverbial adverbial 1.强调主语：It was I that (who) met Li Ming at the railway station yesterday. 2.强调宾语： 3.强调地点状语： 4.强调时间状语： It was Li Ming that/ who I met at the railway station yesterday. It was at the railway station that I met Li Ming yesterday. It was yesterday that I met Li Ming at the railway station. Production Summary Presentation Lead-in Practice 判断下列句子是否为强调句 1.It is strange that she didn’t come yesterday. 2.It is Tom that wants to see you. 3.It is a wonder that he is alive. 4.It was for seven hours that they have worked. 5.It is a fact that he stole Jim’s pocket. 强调句判断方法： 删掉It is /was ...that...，句子结构依然完整，则为强调句. Production Summary Presentation Lead-in Practice Choose the proper answers. 1.It was on the playground_____I found the wallet. A.which B.that C.while D.since 2. It was last summer I saw him. A.that B.when C. who D.where 3.It is that looking for you. A. we; am B.I; am C. we; were D.I;are 4.It was not she took off her dark glasses I realized she was a famous film star. A.when,that B.until,when C.until,that D.when,when Production Summary Presentation Lead-in Practice Choose the proper answers. 1.It was on the playground_____I found the wallet. A.which B.that C.while D.since 2. It was last summer I saw him. A.that B.when C. who D.where 3.It is that looking for you. A. we; am B.I; am C. we; were D.I;are 4.It was not she took off her dark glasses I realized she was a famous film star. A.when,that B.until,when C.until,that D.when,when 解析： 考察not until…句型的强调句: It is / was not until......that..... 直到......时候才....... Summary Lead-in Practi ... ...
