there be结构详解

英语中“there + be + sb. /sth.+ 地点”结构表示“某处有某人或某物”。There是引导词，本身没有意思，be是谓语动词，be后面是主语，be必须和主语的数保持一致。如：

There is a garden behind the house.

There are two books on the desk.

如果主语部分是两个以上的并列主语时，be一般和邻近的主语的数保持一致。如：

There is a cup and two books on the desk.

There are five students and a teacher in the classroom.