3 sentences

1. 他正在打扑克牌。

   tā zhèng​zài dǎ pū​kè pái.

   He is playing poker.

   Source: CCMatrix

2. 他们是在打扑克。

   tā​men shì zài dǎ pū​kè.

   They are playing poker.

   Source: CCMatrix

3. 我不会打扑克牌。

   wǒ bù​huì dǎ​pū​kè dǎ​pū​kè pái.

   I don't know how to play poker.

   Source: OpenSubtitles