强调句型如下: It was I that/who saw her in the park yesterday. 昨天在公园里看见她的是我。(强调主语) It was her that I saw in the park yesterday. 我昨天在公园里看到的是她。(强调宾语) It was in the park that I saw her yesterday. 我昨天看到她是在公园里。(强调地点状语) It was yesterday that I saw her in the park. 我在公园里看到她是在昨天。(强调时间状语)