it强调句课件.pptVIP

普通高中课程标准实验教科书（选修6） 英 语 教 师：邓丽芬 学 校： 金溪县第一中学 电话： 内容： 辅助教学课件（选修6 Unit4The Use of “it” for Emphasis） Compare the two sentences below. 2. It is human activity that has caused this globalwarming. “It” has been used in the second sentence to give extra importance to “human activity”. 1.Human activity has caused this global warming. 一. 陈述句的强调句型结构 : For example： 1. Tom ate an egg at home this morning . 强调主语： It was Tom that / who ate an egg at home this morning . 强调宾语： It was an egg that Tom ate at home this morning . 强调时间状语： It was this morning that Tom ate an egg at home. 强调地点状语： It was at home that Tom ate an egg this morning . Conclusion: 陈述句的强调句型结构 : It is /was+ 被强调成分 (主语/宾语/状语等)+that/who+句子的其他成分。 （it在这种句型中本身无实际意义） Notice： 1. 除谓语动词以外的成分都可用于强调句中; 2. 如原句时态为现在时或将来时，则be用 is, 如原句时态为过去时,则 be用 was; 3. 当被强调部分指人时，既可以用that,也可用who . 二.一般疑问句的强调句型： 1.It was Tom that / who ate an egg at home this morning . → Was it Tom that / who ate an egg at home this morning ? 2.It was at home that / who Tom ate an egg this morning . → Was it at home that Tom ate an egg this morning ? Conclusion:Is / Was +it +被强调的部分 + that / who + 其余部分? 三.特殊疑问句的强调句型： Conclusion:被强调部分 (通常是疑问代词或 疑问副词) +is / was + it + that / who +其余部分? 1.It was this morning that Tom ate an egg at home. → When was it that Tom ate an egg at home? 2.It was at home that Tom ate an egg this morning . →Where was it that Tom ate an egg this morning ? 四. 含疑问词的名词性从句（宾语/表语从句） 强调句的基本结构 主语+谓语+疑问词+it is/was+that+其他成分 2. He is unwilling to tell me who makes him angry.He is unwilling to tell me who it is thatmakes him angry. 1. I just wonder what it is that makes him excited.