HOW MANY要加

HOW MANY要加 how many times a week?time为什么要加s? how many后面的可数名词要加s吗 How many后面要加child的什么形式 how many后面的可数名词要加s吗 how many 后面必须加名词吗? How many pen do you have?为什么要加do?在什么情况下加do? How many people are there in your family为什么要加are there.不加行吗 How many 后面加什么?How much呢？ “how many”后面加什么?How many后面加“factory”还是“factories”? how many 可以后加is 就是How many is it?这句话对吗?还是应How many are they? how far away is the post office?how many miles away is it?为什么要加away How many times have you been to the Great wall?为什time要加s how many photos do you have 为什么photo要加sphoto不行吗？ how many ball pens are there in the pencil-box?为什么中间要加are there? “How many days are there in a week?”这句话为什么要加“are there”? How many students are there in your class?这句中的are there 为什么要加? 这个问句请高手来分析.How many friends you have 还是应该说：How many friends do you have?要不要加do呢?