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。一、在下面的短文中填上恰当be动词。I _ a girl. My name _ Mary. I _ 12 years old. Here _ my family photo. Look! These _ my parents and those _ my grandparents. This boy _ my brother. He _ 15 years old now. That _ my cat, Mimi. It _ very lovely.二、在下面的题目中填上恰当的Be动词。1. I _ Kitty.2. She _ a student.3. Jane and Tom _my friends.4. My sisters _ tall.7. There _many monk