我只知道How many .are there... 例如：原句There are six apples on the tree.(对six提问) 答案：How many apples are there on the tree?树上有多少苹果? 因为原句中有there are ,所以,问句中也要有,但因为是疑问句,所以用are there.如果原句是单数,问句还是用复数. 例如：原句There is an apple on the table.(对an提问) 答案:How many apples are there on the table?
