How can you tell what type of consumers the economy is going to have in the future?为什么consumers后面不用加does?为什么可以被省略?

Can you tell me how to do? Can you tell me where the book is 这种叫什么?我想了解下这种疑问问中由特殊疑问词where,which,how,wha之类引导的后面的句子有啥规则吗? baby tell me how can i tell you中文歌词 谢勒! Can you tell me how I can be brave? 寻找一首英文歌baby tell me how i can tell youbaby tell me how i can tell you.touch me how i can touch you you can tell me you need how much money when you understand me tell you they 英语翻译Can you keep a secretFrom them other peopleIf I tell you 'bout wha-gwan?And would you let me knowIf I forget the secretTook my eye off of the Ball?Cause Bingo,now I'm hitting the 6I know what's going onI know how you going onI got the ra can you tell me how I can get there?how I cancan you tell me how I can get there?how I can get there?做什么成分 can you tell me how to learn English well? I can’t tell you how sorry I am Can you tell me how shoud I to do it can you tell me how to speak english? how can you tell they are grateful翻译 Can you tell me how far it is?可靠吗 Can you tell me how to_________a peach tree? how to spell the word‘‘你好’’,Can you tell me? can you tell me how to write it? Excuse me ,can you tell me how ____ holiday Hotel