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【导语】英语语法让很多学生都头疼，因为复杂难懂的句式和词组有时难以记忆。英语网为大家整理了英语语法大全，希望对同学们的英语语法学习有所帮助。更多内容尽在英语网。 1. 强调句的基本结构 It+be+被强调成分+that (who) He bought the book in this shop yesterday. It was he that bought the book in this shop yesterday. (强调主语he) It was the book that he bought in this shop yesterday. (强调宾语the book) It was in this shop that he bought the book yesterday. (强调地点状语in this shop) 【注】在该强调结构中，it is (was)that (who)为结构词，它通常可以省略，而不影响句子的意思。 2. 强调句用that还是who 当被强调部分指人时，可以用who代that;当被强调部分指物时通常用that。注意：强调事物时，通常不宜用which来代that，另外当强调时间或地点状语时，通常也不能用when / where代that(尤其是当这些状语为介词短语时)。 3. 关于被强调成分 该强调句型中，被强调的成分除了是名词、代词、介词短语等之外, 也可以是从句： It is when he got back that he knew what had happened. 他回来后才知道所发生的情况。 | 
