LEVEL 2:

http://www.wikisaber.es/Contenidos/LObjects/Macmillan_bb1_actH/index.html

LEVEL3:

http://www.wikisaber.es/Contenidos/LObjects/Macmillan_bb1_actE/index.html

LEVEL 4:

http://esl.fis.edu/vocab/q21/time_r.htm

LEVEL 5:
https://sites.google.com/site/easygrammar4kids/to-be-present/simple-present

LEVEL 6:
.  

https://sites.google.com/site/easygrammar4kids/to-be-present/simple-present

https://sites.google.com/site/easygrammar4kids/to-be-present/present-continuous