he has a knifes 改为复数

he has a knifes 改为复数 He has a strawberry.改为复数句 He has a box,改为复数 He has a small mouth.改为复数 He has a tennis racket.改为复数句 He has a tennis racket.改为复数时人称还用变吗? He has a tennis ball（改为复数形式） he has a bar of chocolate.改为复数句 he has a tennis bat改为复数形式 He has a good friend.改为复数形式 He has a tomato 改为复数 ＿ ＿ ＿ He has a nice car 改为复数形式 he has a big family 改为复数形式 改为复数形式 he has a red shirt He has a red wseater改为复数是怎么样的 she has a tennis racket.[改为复数句] he likes hshe has a tennis racket.[改为复数句]he likes his new room.[改为一般疑问句] He has a baseball改为复数 This story is boring改为反义句 He has a ping pong ball改为复数句是主语改复数还是宾语改复数