用英语单词组句,还要回答.1.Are these 2.Are those 3.Is there 4.Was there

are these your books?--- yes,they are./ no,they are not.
are those footballs?--- yes,they are./ no,they are not.
is there any book on the shelf?---yes,there is./no,there isn't.
was there a king living here?--- yes,there was./ no,there wasn't.
are there many students in the campus?--- yes,there are./ no,there are not.
were there many books on the shelf?--- yes,there were./ no,there weren't.