"You should have waited for us", the team leader said to John -> The team leader criticized ... They kept his passport so that he couldn't leave the country -> They prevented ....

1. The team leader criticized John for not waiting for them.

 S + criticized + O + for + V-ing: phê bình ai về việc gì

2. They prevented him from leaving the country by keeping his passport.

 S + prevent + O + from + V-ing: ngăn cản ai làm gì

 by + V-ing: bằng cách làm gì