What are they?
The future tense (le futur) is used to say what you will do.
The conditional (le conditionnel) is used to say what you would do.
The near future is used to say what you are going to do. In english think of it as I am going to.
How to form the future tense
The future tense is formed by adding the appropriate endings to the the infinitive of the verb.
The endings are as follows
Je - ai
Tu - as
Il/Elle/On - a
Nous - ons
Vous - ez
Ils/Elles - ont
How to form the conditional tense
The conditional tense is formed by taking the future stem of the infinitive and adding the imperfect endings.
The endings are as follows.
Je - ais
Tu - ais
Il/Elle/On - ait
Nous - ions
Vous - iez
Ils/Elles - aient
How to form the near future tense
The near future tense is formed by aller + infinitive
For example J'ai regarder - I am going to watch
Elle va manger - She is going to eat
Some verbs in french are irregular and change their stem in the future and conditional tense.
Aller (to go) - ir Savior (to know) - saur
Etre (to be) - ser
Faire (to do) - fer
Pourvoir - (to be able to) - pourr
Venir (to come) - viendr
Voir (to see) - verr
Vouloir (to want) - voudr
Devoir (to have to) - dev
Envoyer (to send) - enverr