Our teacher, María, recommends this funny way to practice second conditionals!
http://www.eslvideo.com/esl_video_quiz_intermediate.php?id=11394
Just watch the video, and then complete the conditionals that you hear. The sentences appear as subtitles on the screen for a short period of time, as well, just in case you are struggling to understand what they are saying.
If I were you, I’d do it right now!