师生边观察边说：chair,desk,window,door„然后老师指着这些物品加以描述。

T:There is a blackboard in the classroom. There are some desks in the classroom.

老师指着桌子下的书说：There is a book under the desk. There are two books on the desk.

2. 教师演示，引导学生描述。教师把一本书放在桌子上：

T:Look,boys and girls. Is there a ruler on the desk? T/Ss:No, there isn’t.

T:Is there a ruler on the desk? T/Ss:Yes,there is.There is a ruler on the desk.

教师把三支铅笔放在书下： T:Are there any rulers under the book? T/Ss:No,there aren’t.

3.教师出示其它的学校设施，让学生进行替换练习。

(library, teacher’s office,garden)*There be 句型的be 动词is/are，将be 动词提前放在句首，

   再在句末加上问号即可。需要注意的是：如果there be 句型的肯定句中出现some修饰复数名词表示“一些，几个”，