There is a computer on the desk. → Where is the computer? There are four children on the playground. →Where are the four children?
对数量提问：般有两种句型结构：
How many+复数名词+are there+介词短语？
How much+不可数名词+is there+介词短语？
考点二：there be 句型的时态。
be可以有现在时（there is/are）、过去时(there was/were)、将来时(there is/are going to be或there will be)和完成时(there have/has been)；还可用there must be ,there can’t be, there used to be等。 如：
---There ______ a concert this evening.
---Yeah. Exciting news!
A. are going to be B. is going to be C. is going to have D. will have
考点三：there be 句型反意疑问句的构成：be (not) there? 如：
There is some milk in the bottle,
____ ?
A．isn't there B．aren't there C．isn't it D．are there