4 sentences

1. 他们什么时候会逮捕他？

   tā​men shén​me​shí​hou huì dài​bǔ tā?

   When will they arrest him?

   Source: OpenSubtitles

2. ‎你们打算什么时候要孩子？

   ‎ nǐ​men dǎ​suàn shén​me​shí​hou yào hái​zi?

   When are you planning to have children?

   Source: OpenSubtitles

3. 她什么时候成运动健将了？

   tā shén​me​shí​hou chéng yùn​dòng jiàn​jiàng le?

   Since when did she become an athlete?

   Source: OpenSubtitles

4. 你朋友是什么时候出发去美国的？

   nǐ péng​you shì shén​me​shí​hou chū​fā qù Měi​guó de?

   When did your friend leave for America?

   Source: Tatoeba