有多少英语怎么说

这个问题的答案有两个部分，一是在数量上的表达，二是在语法上的表达。
数量上，可以用一些常用的数量词来表达，比如：
一些：some
许多：many
很多：a lot of
许多：plenty of
几个：a few
少量：a small amount of
例句：
I have some apples.
There are many people in the room.
She has a lot of books.
There are plenty of cars on the street.
I only have a few dollars.
There is a small amount of sugar in the jar.
在语法上，可以用一些常用的疑问词来表达，比如：
有多少：how many
多少：how much
例句：
How many apples do you have?
How many people are in the room?
How much money do you have?
How much sugar is in the jar?
总的来说，在英语中表达数量的方式很多，需要根据具体的情况和上下文来选择合适的表达方式。