how many是对可数名词的确复数进行提问，后接复数，用数字回答。如：How many do you smoke a day？你一天抽多少根烟？
How many例句1.How many students are there in your class?
你们班有多少个学生?
2.How many dynasties are there in China's history?
中国历史上有多少个朝代?
3.How many people have accessed your homepage by now?
到目前为止,有多少人访问了你的主页?
4.How many feeds a day does this dog get?
这只狗每天吃几顿?
5.How many military bases are they maintaining on foreign soil?
他们在外国保持多少个军事基地?
6.How many ribs does a man have?
一个人有几条肋骨?
7.How many inches of rain fell last year?
去年的雨量是多少英寸?
8.How many ventricles of heart does a man have?
每个人有几个心室?
