3 sentences

1. 老师对学生进行了分组。

   lǎo​shī duì xué​sheng jìn​xíng le fēn​zǔ.

   The teacher divided the students into groups.

   Source: Dong Chinese Dictionary

2. 讨论会在各个分组中进行。

   tǎo​lùn​huì zài gè gè fēn​zǔ zhōng jìn​xíng.

   Discussions were held in breakout groups.

   Source: Dong Chinese Dictionary

3. 数据通过分组交换技术进行传输。

   shù​jù tōng​guò fēn​zǔ jiāo​huàn jì​shù jìn​xíng chuán​shū.

   Data is transmitted using packet-switching technology.

   Source: Dong Chinese Dictionary