精选优质文档-倾情为你奉上be动词的用法be动词用法歌：我用am,你用are，is连接他，她，它。单数名词用is，复数名词全用are。变疑问，往前提，句末问号莫丢弃。变否定，更容易，be后not莫忘记。疑问否定任你变，句首大写莫迟疑。一用am, is, are 填空专心-专注-专业1.I_astudent. 2. You_adoctor.3. It_acar. 4. They_cars. 5. I _from Australia.6. She _ a student.7.That_myredskirt. 8.Thejeans_onthedesk. 9.Here_ascarfforyou. 10. Ten and two _ twelve.11. I _ at school. 12.He _
