Gramática: Futuro (will, going to, p.continuous, f. continuous and f.perfect)

Para el futuro podemos usar lo siguiente: will, going to, present continuous, present siemple, future continuous y future perfect.

Will:
- Predicciones no seguras. Usamos maybe, I think, I hope,...
- Ofrecimientos, promesas, y peticiones
- Decisiones no planeadas antes
- Forma negativa: won't

For instance:
 - I will see you at home
 - She wo't pay the taxes

Going to:

- Predicciones sobre el futuro basadas en el presente
- Intenciones
- Planes


For example:
- I'm going to study maths at university
- It's going to rain

Present continuous:

- Citas (dentista, médico, reuniones, etc).
- Eventos o cosas seguras

Such as:
-I'm seeing my doctor on Tuesday

Present simple: 

- Eventos con un horario: vuelos, trenes,...

For example:
- My train leaves at 7.00pm

Future continuous:

- Algo que estará en desarrollo o en progreso en un momento concreto en el futuro o por un perído de tiempo en el futuro.

For instance:
- I can't go there because at 7.00 pm I will be taking exam.

Future perfect:

- Acciones acabadas antes del tiempo esperado.

Such as:
- I could go there because I'll have finished my exam.