6、_____2.thereis(缩写形式)________3.Tim(所有格形式)________4.sing(名词形式)________5.we(宾格形式)________6.I(物主代词)________7.watch(第三人称单数形式)________8.hobby(复数形式)________9.play(现在分词形式)________10.rain(形容词)________Ⅲ.单项选择。(10分)( )1.MrBlackis________teacher.A.they B.They's C.