Module 3 My school,Unit 3 Language in use,There are thirty students in my class. Are there computers on everyones desk? No, there arent. Is there a map of the world? No, there isnt. How many students are there in your class? The library is on the left of the playground,Language practice,例句： 1. There is a book on the desk. 2. There are many students on the playground,there be. 某处有某人(物,There be 句型,There be 句型的构成形式一般为： There is/ are 某物人地点 它既可表示某地方有什么东西，也可以表达 某地方有什么人,否定形式是在be 后加not。 其疑问形式是将be 提至ther
