THEY 'RE CATS(改为否定句)

THEY 'RE CATS(改为否定句) they`re on the chair.改为否定句 They're playing the giter.改为否定句 they're going to fly kites tomorrow 改为否定句 英语否定句怎么改怎么改 They are cats That dog likes running after cats.（改为否定句） They're playing soccer.改成否定句 They‘re eggs 改为单数句 they're expensive knives.改为单数句 They're cats 的汉语意思 They walk to work.改为否定句 They have English watches.改为否定句