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十二、强调句 强调的类别 说 明 例 句 It is (was) +被强调部分+that(who)…为了强调句子的某一成分（通常是主语、宾语或状语），常用强调结构： It is (was) +被强调部分+that(who)…表示强调的it在这种结构的句子中作主句的主语。Last night I saw a film in the Youth Palace. 强调主语：It was I that (or: who) saw a film in the Youth Palace last night. 强调宾语：It was a fiml that I saw in the Youth Palace last night. 强调地点状语：It was in the Youth Palace that I saw a film last night. 强调时间状语：It was last night that I saw a film in the Youth Palace. 一般讲，原句的谓语动词如果是现在或将来各种时态，用It is…that (who)…；如果原句谓语动词是过去各种时态，则用It was… that(who)… 注意点 ①在强调主语时，that后的谓语动词要与被强调者保持人称和数的It is I who am a teacher. ②即使被强调的主语是复数，主句中的谓语动词也用单数It is they who often help me with my lessons. ③在强调时间、地点、原因、或方式状语时，不要用when,where,why或 how ，而用that It was because her mother was ill that she didn't go with us. | 
