there be 句型 表示在某地有某人或某物。
1）主语是单数，be动词用is(was)；主语是复数，be动词用are(were)。
There is some milk in the fridge.
There are some peaches in the basket.
2）如果有几个不同的人或物并列存在，be动词根据最靠近的那个名词而定。
There is a ruler five knives in the pencil case.
There are five knives a ruler in the pencil case.
3）there be句型和have/has区别：
there be句型表示某地有某人或某物；
have/has表示某人有某物。has用于第三人称单数，其余人称和数用have。
There are some English books on the desk.
I have some English books.
。