Ask yes/no questions with 吗 (ma)
Finally, use 吗 (ma) to ask yes / no questions in Chinese. These questions are also known as polar questions or binary questions. You can turn any statement into a yes / no question simply by putting 吗 at the end.
Nǐ xǐhuan tā ma?
Do you like him?
Zhè shì nǐde ma?
Is this yours?
Nǐ yào qù Shànghǎi ma?
Are you going to go to Shanghai?