2. Listen and say. NOW Then They are old. She is tall It is clean They weren’ t old then She wasn't tall then It wasnt clean then They were young. She was short It was dirty y动画演示
They are old. They weren’t old then. They were young. She is tall. She wasn’t tall then. She was short. It is clean. It wasn’t clean then. It was dirty
知识讲解 (A知识点2 They weren't old then.他们那时不年老。 含有be动词的一般过去时的否定句 句型结构:主语(复数)+ weren't其他 例句: They werent in Shanghai then. 那时他们不在上海
知识点 2 They weren’t old then. 他们那时不年老。 句型结构： 主语（ 复数） ＋weren’t+ 其他. 含有be 动词的一般过去时的否定句 They weren’t in Shanghai then. 那时他们不在上海。 例句：