4 sentences

1. 我已经被讯问过了。

   wǒ yǐ​jīng bèi xùn​wèn guo le.

   I've already been questioned.

   Source: OpenSubtitles

2. 警察正在讯问室讯问那名嫌疑犯。

   jǐng​chá zhèng​zài xùn​wèn​shì xùn​wèn nà míng xián​yí​fàn.

   The police are interrogating the suspect in the interrogation room.

   Source: Dong Chinese Dictionary

3. 警方正在讯问这起案件的嫌疑人。

   jǐng​fāng zhèng​zài xùn​wèn zhè qǐ àn​jiàn de xián​yí​rén.

   The police are questioning the suspect in this case.

   Source: Dong Chinese Dictionary

4. 法官正在法庭上讯问有关现场细节的证人。

   fǎ​guān zhèng zài fǎ​tíng shàng xùn​wèn yǒu​guān xiàn​chǎng xì​jié de zhèng​rén.

   The judge is questioning a witness in court about the details of the scene.

   Source: Dong Chinese Dictionary