特殊疑问句就要用疑问词,如
你什么时候睡觉,就得问
What time do you go to bed?
你要去哪里?
Where are you going?
你什么时候去北京的?
When did you go to Beijing?
一般疑问句要用助动词,如
你经常去公园吗?
Do you usually go to the park?
他经常打篮球吗?
Does he often play basketball?
你昨天去书店了吗/
Did you go to the bookstore yesterday/