小学三年级英语Be动词总结和练习7页.doc

Be动词用法口诀Be有am,is,are 我(I)用am 你(you)用are is连着他(he)她(she)它(it)我们(we)你们(you)他们(they)要用are 单数名词用is 复数形式要用are 变否定真容易，be后not为标记 变问句be提前，句尾问号要配全（？）应用时多注意，缩写形式要牢记。Im=I am youre=you are hes=he is shes=she is its=it iswere=we are youre=you are theyre=they are . . 一用Be动词的适当形式填空1. I _ a boy. _ you a boy? No, I _ not. 2. The girl_ Jacks sister. 3. The dog _ tall and fat. 4. _ your