Recurrent mistakes

As you asked me for, here you have the main mistakes we corrected in the last class. I hope you go through the doc and assimilate the corrections in order not to make the same mistakes again.

Recurrent mistakes

 I'll never make this mistake again -  I'll never make this mistake again -  I'll never make this mistake again -  I'll never make this mistake again -  I'll never make this mistake again -  I'll never make this mistake again -  I'll never make this mistake again -  I'll never make this mistake again -  I'll never make this mistake again -  I'll never make this mistake again -