1、Grammar强调句型强调句结构1.Human activity has caused this global warming.2.It is Human activity that has caused this global warming.it引导的强调句型基本结构：It is/was+强调部分+that（人/物）/who(人)+句子其它成分。It was a scientist called Charles Keeling who made accurate measurements of the amount of carbon dioxide in the atmosphere f
2、rom 1957 to 1997.They also agree that it is the burning of more more fossil fuels that has resulted in this increasein carbon dioxide.Tom lost a book on the park yesterday morning.Tom lost a book on the park yesterday morning.1.强调主语It was Tom that lost a book on the park yesterday morning.It was Tom
3、 who lost a book on the park yesterday morning.2.强调宾语It was a book that Tom lost on the park yesterday morning.3.强调地点状语It was on the park that Tom lost a book yesterday morning.n 3.强调时间状语n It was yesterday morning that Tom lost a book on the park.n强调句的特殊句型n 1.强调句的一般疑问句句型:n Is/Was+it+强调部分+that/who+其它
4、成分?Was it at eight oclock that you began to work?n 2.强调句的特殊疑问句句型:n 特殊疑问词+is/was it that/who+其它成分?n Where was it that you picked up the wallet?n 3.名词性从句（宾语/表语从句）强调句的基本结构n 疑问词（强调部分）+it is that+其它成分？n I just wonder what it is that makes him excited.n He is unwilling to tell me who makes him angry.n He is unwilling to tell me who it is that made him angry.
