Hi
There isn't a future tense in English, but a several ways to express it: will, going to, present continuous and present simple. You can find an explanation in Aula Virtual.
In the following link you'll find a game where you can practise your skills on conditionals :)
http://www.eslgamesworld.com/members/games/grammar/fling%20the%20teacher/conditionals/conditionals%20practice.html