Be动词的用法口诀 :我用am，你用are，is连着他，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。单项选择：1.She_Miss Hen. A.beB.amC.is2.I_sorry. A./B.amC.are3.Here _ my ball. A.isB.areC.am4.You _ number eight. A.areB.isC.am5.What_this ？ A.isB.areC.beC.be6.Helen_ a student. A.beB.amC.is7.Those _oranges. A.isB.areC.am8. Howold _yourteacher? A.beB.amC.is9. Where _ her mother? A.areB.isC.am10.The two cups of milk _ for me. A.isB.areC.be11.Tom and Kate _ my students. A.areB.isC.am12.Your books _ not g
