2 sentences

1. 我看到他们一起过家家。

   wǒ kàn dào tā​men yī​qǐ guò​jiā​jiā.

   I saw them playing house together.

   Source: OpenSubtitles

2. 他们在玩过家家。

   tā​men zài wán guò​jiā​jiā.

   They're playing house.

   Source: OpenSubtitles