WH疑问词何时可以省略

Question

???????????????????

Answer 1

may i know your name?=may i know what your name is?
could you tell me the quanitity of the toys=could you tell me how many toys you have?

我想在从句中吧,表达的意思一样的时候.或者口语中,比如:your name please!供参考

Answer 2

疑问词怎么省略啊……楼主再详细点好吧，我也很想帮你本回答被提问者采纳