Unit 3 There be
Let’s look at the following sentences .There is a book on the desk.There is some milk in the cup.There are some books on the desk.There is a book on the desk.There is some milk in the cup.There are some books on the desk
        1) Basic structure：“There be + 某人或某人物+ 介词短语”。2) Meaning :“There be ”conveys the meaning:“某处有某人/某物”。3) Analysis :there 是引导词,无词义;          be是谓语动词;   
桌上
There is a book on the desk.
Be