疑问句Question
疑问句的提问法是在陈述句的句尾加上语气助词“吗”。例如：
When the interrogative particle “吗” is added at the end of a declarative sentence, it become a general question, e. g.
1. 你们是留学生吗？Are you oversea students?
2. 你学习努力吗？ Do you study hard ?
3. 她漂亮吗？ Is she pretty ?

正反疑问句 Affirmative-negative questions
正反疑问句是另一种提问的方法。将谓语主要成分（动词或形容词）的肯定形式和否定形式并列起来就可以构成正反疑问句。正反疑问句跟用“吗”提问的 一般疑问句作用一样。例如：
An affirmative negative questions is another form of question made by juxtaposing the affirmative and negative forms of the main element of the predicate( the predicative particle adjectives). Such a question has the same function as a general question with the interrogative particle “吗”, e. g.
1.你的宿舍大不大？ Your dornmitory is big ,isnot it ?
2.他是不是留学生？  He is a oversea student,isn't he ?
3.他学习努力不努力？  He is study hard, doesn't he ?
“有”字句“有”Sentences
动作“有”作谓语主要成分的句子常表示领有。它的 否定形式是 “没有”（而不是“不”）。 正反疑问句则为“……有没有……”。例如：
A “有sentence id a sentence in which the verb “有“denoting possession functions as the main element of the predicate. Such a sentence is made negative by preceding “有”with “没“（and never with “不”）。 “有没有……”is used build an affirmative negative question with “有”, e. g.
1.我们学校有很多留学生。There are many oversea students in our school.
2.我没有同屋。 I do not have a roommate.
3.宿舍里没有空调。 There is no air-condition in the dormitory
疑问句 Questions (2)
用“谁﹑什么﹑ 哪 ﹑哪儿﹑几﹑多少”一类疑问句代词提问，即构成特指疑问句。疑问代词不改变汉语句子的词序。例如
1.这是书。 This is a book. → 这是什么？What is that ?
2.我是美国人。 I am American → 你是哪国人？where are you from?
3.我在北京大学学习。 I study in Peking university. → 你在哪儿学习？where do you study?
4.他是我朋友。 He is my friend. → 他是谁？Who is he ?
5.我看书。 I am reading a book. → 你看什么？What are you reading?