2 sentences

1. 他因为感冒一直在打喷嚏。

   tā yīn​wèi gǎn​mào yī​zhí zài dǎ​pēn​tì.

   He has been sneezing because of a cold.

   Source: Dong Chinese Dictionary

2. 他在打喷嚏。

   tā zài dǎ​pēn​tì.

   He's sneezing.

   Source: OpenSubtitles