present simple and continuous, future meaning

http://esl.fis.edu/grammar/q7m/2.htm

Present Simple and Continuous

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-7576.php

present simple

http://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-5115.php

Future Simple, Future Perfect and Future Continuous

http://www.imparareinglese.co.uk/esercizi_inglese/future_perfect_continuous.htm

will/going to

http://www.esl-lounge.com/student/grammar/2g33-will-going-to-exercise.php

Future perfect simple and continuous

http://www.englishpage.com/verbpage/verbs28.htm

Future continuous

http://www.englisch-hilfen.de/en/exercises/tenses/future_progressive_statements.htm

future forms

http://www.valenciaenglish.netfirms.com/futurex.htm

future: going to

http://www.ego4u.de/de/cram-up/grammar/future-1-going-to/exercises

future perfect/simple and continuous

http://www.ompersonal.com.ar/omexercise/tiemposverbales/unit10.htm

Future Forms!!!

Future Perfect, Future continuous, Future Simple: Let's start?!

http://www.englishmedialab.com/Quizzes/advanced/futureforms.htm