You are my good friend. You are a good boy. You are beautiful.
第三人称单数(He / She / It)要配合is使用。 句型解析：She/He/It is +…… She is a good girl. He is so cute. It is a pencil.
人称复数 (we /you/they)配合are使用。 也就是：We / You / They are +……
We are in Class 2,Grade 6. You are good students. They are my friends.
口诀
Be 妈妈有三个孩子am, is ,are. 我用am ,你用are,is 连着他 ， 她，它。 单数形式用is,复数形式全用are.
甘肃省临泽县板桥镇 中心小学
主讲人：黄 莉
课件制作：黄 莉
be 动词的用法
be动词有三种形式，他们分别是： am is are
1.第一人称单数 I 要配合am来用。 句型解析：I am + …
I am a boy. I am a student. I am ten years old. .
第二人称(You)配合are使用。 句型解析：You are+…
1.
am from Guangdong. I ____ is in Class Two this year. 2. She _____ are our Chinese teacher. 3. You _____ 4. Your sister _______ ten years old. is are all in the 5. His students ______ classroom. are 6.We ____twins.
T。 它们要用在各种人称的后面，如：（你/我 /他/她/它//他们/我们） 当然要根据人称的不同来选择是要 用 am is are.