howmany的三种句型

（一）基本句型结构是：

How many +可数名词的复数形式+ are + there +地点/时间状语+？

1.There is a pen on the desk (用how many改为特殊疑问句 )

How many pens are there on the desk？

How many days are there in a week？

（二）引导的特殊疑问句的回答语

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。