there be 句型是 英语中的固定搭配 意思是 有 这里有.
be 跟据需要 变换成 is am are 或者过去式 was were 过去分词 been
一、 注意事项：
1 there be 结构中的be 是可以运用各种时态的.
There is going to be a meeting tonight.今晚有个会议.
There was a knock at the door.有人敲门.
There has been a girl waiting for you.有个女孩一直在等你.
There will be rain soon.不久天就要下雨了.
2动词be单复数形式要跟there be之后的真正的主语一致.并且要根据就近一致原则来变换be 的单复数形式.
如：
There is a book on the desk.课桌上有一本书.
How many people are there in the city?这个城市里有多少人口.
There is a pen and two books on the desk.课桌上有一个钢笔和两本书.
There are two books and a pen on the desk. 课桌上有两本书和一个钢笔.
There are some students and a teacher in the classroom. 在教室里有一些学生和一位老师.
There is a teacher and some students in the classroom. 在教室里有一位老师和一些学生.
3 在there be引起的句子结构中,用来修饰主语的不定式主动形式和被动形式均可.
There is no time to lose (= to be lost).时间紧迫.
There is nothing to see (=to be seen).看不见有什么.
There is nothing to do.(=to be done) 无事可做.
二、 结构变形：
在there be 结构中还可把be 改变从而使得there be结构有了一些改变具体总结如下：
1 There used/seem/ happen/appear to be 如：
There might be snow at night.晚上可能有雪.
There appeared to be nobody willing to help.看来没人愿意帮忙.
There used to be a building here.过去这儿有一座楼房.
There happened to be a man walking by.碰巧有个人在此经过.
There doesn't seem to be much hope.好象没有太大的希望.
2 在there be的 be 前还可以加上各种情态词,如：
There must be something wrong.一定有问题.
There ought not to be so many people.不应该有这么多的人.
There might still be hope .可能还有点希望.
3 在there be句型中的be还可以换成其他的动词与there连用,这些词都是表示状态的如：live stand exist remain等或用来描写某事的发生或某人的到达如come, appear, enter, follow, occur等.
There lived a rich man.这以前住着一个富翁.
Then there came a knock at the door.然后有人敲门.
Long, long ago, there lived a king.很久很久以前,有一个国王.
There followed a terrible noise.然后是传来了可怕的声音.
Suddenly there entered a strange man.突然进来了一个奇怪的人.
三、 特殊的表达方式：
1There is no sense in doing 做某事是没有用的,没有意义的
There is no sense in making him angry.跟他生气是没有用的.
There in no sense in going alone.
一个人去是没有好处的.
4 There is no use /good doing 做某事是没有用的,没有必要的
There is no use trying to explain it.解释是没有必要的.
There is no good/use going there.
去那儿是没有好处的.
5 There is no need to do 没有必要做某事
There is no need to worry.
没有必要担心.
There is no need to give him so much money.
根本没有必要给他那么多的钱.
6 There is thought/said/reported to be 人们认为有/据说有/据报道有
There is thought to be an army between in these two countries.
人们认为在这两国之间有一场战争.
There is reported to be a better way to cure cancer.
据报道,找到了一种更好的治疗癌症的方法.
7 There is no doing（口语）不可能…….
There is no telling when he will be back.无法知道他什么时候回来.
There is no knowing what he is doing. 无法知道他在做什么.