There are＋复数名词＋表示场所的词（一般为介词词组）

　　There are two pens on the table.

　　There are three schools there.

　　★变疑问句将be动词移到句首

　　Is there a book in this room?

　　Are there two pens on the table?

　　★变否定句在动词后面加not

　　There is not a book in this room.

　　There are not two pens on the table.

　　★肯定回答及否定回答

　　Yes, there is. / No, there is not.

　　Yes, there are. / No, there are not.