Independen

Alexa Bieber
http://prezi.com/w65hxkiaemth/?utm_campaign=share&utm_medium=copy

Evil Majo
http://prezi.com/qvbmvtxwd-vo/?utm_campaign=share&utm_medium=copy

La Fer
http://prezi.com/34dd2ehnmhlg/jose-maria-morelos/?utm_campaign=share&utm_medium=copy#

El Fer
http://prezi.com/sl3t8qbzjxup/?utm_campaign=share&utm_medium=copy

Present perfect

http://www.eslgamesplus.com/already-yet-present-perfect-volley/

http://www.marks-english-school.com/games/g_presperf.html