Оборот There is употребляется для обозначения единственного числа There is a chair in the room There is not a chair in the room Is there a chair in the room?
Оборот There are употребляется для обозначения множественного числа There are five pupils in the class There are not any pupils in the class Are there five pupils in the class?
Ex.1 Choose the right answer: There is / There are not any letters on the table. There is / There are a lamp on the floor. There is / There are many children there. There is / There are many books in the library. Is there / Are there a telephone in your room?
Ex.2 Make the questions: There is a bag on the table There are five cats in the room There is a vase on the table There is one pencil and two pens in the bag