Present Simple

Here there is a video about how to form Pereset Simple. Sorry, it is not of a good quality but nevertheless I ask you to watch it and to do two exercises.
http://www.youtube.com/watch?feature=player_embedded&v=sc7PI0T7oL4

The video below is about three common cases when we are to use Present Simple. Do exercises.

http://www.youtube.com/watch?feature=player_embedded&v=Sfvj3i5t3_Y