疑问句的主要交际功能是提出问题,询问情况。分为一般疑问句、选择疑问句、特殊疑问句和反意疑问句。
一般疑问句:
Do you speak English? 你讲英语吗?
选择疑问句:
Do you like to play football or basketball? 你喜欢踢足球还是打篮球?
特殊疑问句:
Which book is yours? 哪一本书是你的?
反意疑问句:
It's cold today, isn't it?