对于how many引导的特殊疑问句的回答语,要用陈述句来回答,一般情况下数词后面的句子成分可以省略掉。
对there be句型中主语的数量如some、five、only one等提问时,如果主语是可数名词,不管主语是单数还是复数一般都用复数形式提问,因为问话人不知道具体的数量是多少,而且many只能接可数名词复数形式,所以be一定要用are,即用How many+可数名词复数+are there+地点/时间状语的句型结构。
How many friends do you have?
你有多少个朋友?
How many apples on the tree?
树上有几个苹果?
How many people are there in your family?
你家有几口人?
How many ribs does a man have?
一个人有几条肋骨?
How many people are there in your class?
你班级有多少人?