It is/wasthat.强调句用法当需要强调句中的主语、宾语、状语时，我们常用“It is(was)+被强调部分+that(who)”这种句型，使用此句型时，应注意以下几点。1.一般情况用It is(was)that如： He read three books in the library yesterday. 我们分别可以强调主语、宾语、地点状语和时间状语。如： It was he who (that) read three books in the library yesterday.(强调主语) It was three books that he read in the library yesterday.(强调宾语) It was in the library that he read three books yesterday.(强调地点状语) 2.当被强调部分指人时，可用that，也可用who；指物时，只用that,如：It was Tom who (that) I met last week.
