1.the books are in the bookcase.(改否定句)
2.the baseball is under the bed.(改一般疑问句)
1.the books are in the bookcase.(改否定句)
2.the baseball is under the bed.(改一般疑问句)
1.the books aren't in the bookcase.
2.Is the baseball under the bed?
1.The books aren't in the bookcase.
2.Is the baseball under the bed?
1.The books aren't in the bookcase.
2.Is the baseball under the bed?
the books are not in the bookcase
is the basketball under the bed ?
the books are not (aren't )in the bookcase.
Is the baseball under the bed?
aren't
isn't