There are many students in our class改为同意句There is( a book ) on the chair 括号里提问There are some pens (in the pencil case ) 括号里提问
问题描述：
There are many students in our class改为同意句
There is( a book ) on the chair 括号里提问
There are some pens (in the pencil case ) 括号里提问
答
How many books are there on the chair?
Where are the pens?
答
1 there are a great of students in our class.
2what is on the chair ?
3 where are those pens?
答
1.There are many students in our class.
= Many students are in our class.
= Our class has many students.
= I have many classmates in our class.
2.There is( a book ) on the chair.括号里提问
= What is (there) on the chair?
注：此句中的there可以省略不写.
3.There are some pens (in the pencil case).括号里提问
= Where are some pens?