关于how many 用法如下
（1）how many +可数名词复数+其它..?
（2）how many +of +可数名词复数+其它..?
how many
英 [hau ˈmeni] 美 [haʊ ˈmɛni]
几何；几；多少；几多
1. How many people does the company employ?
这个公司雇用了多少人?
2. How many goals has he missed this season?
这个赛季他射丢了多少个球?
3. How many pupils does the school have?
这所小学有多少学生?
4. How many machines did you turn out last month?
上个月你们生产了多少台机器?
5. How many of our salesmen have phoned in so far?
到目前为止,我们有几个推销员打电话来汇报过情况了?