This/These are my shoes.
These
There is/are a clock.
is
There is/are windows.
are
This is an apple/These are apples.
These are apples.
Is this a bed?
Yes, it is.
There is an alarm clock/ There are an alarm clock.
There is an alarm clock.
This is ____ backpack.
my
This is a book/These are books.
These are books.
There is pencils/There are pencils.
There are pencils.
This is my pencil/This is our pencil.
This is my pencil.
This is ____ book.
our
There is a chair/There are a chair.
There is a chair.
This is an apple/These are apples.
This is an apple.
This is my poster/This is our poster.
This is our poster.
There is cushions/There are cushions.
There are cushions.
Is this a guitar?
No, it is a rug.