人教版九年级全册unit5What are the shirts made of? SectionA 3a-4c第2课时课件(该课件内含频文件)(该课件包含单词语句听力)
当主语为动作的执行者时, 谓语的形式为主动语态; 当主语为动作的承受者时, 谓语要用被动语态。
eg:Many people speak English. (主动语态, 句子的主语many people是动作speak的执行者)
English is spoken by many people.(被动语态, 句子的主语English是动作speak的承受者)