用There is和There are造句是有关教室物品方位的

There is ablackboardin the front of the class.
There is a tables near the window.
There is a teacher in front of theblackboard .
There is a chalk behind the box.
There is a pen and cups near the blackboard .
There is a cup onthedesk.
There are somestudents play near the classroom.
There is some paperunder the book.