Hoy mi prima está en Madrid. Mañana estará en Barcelona.
Today my cousin is in Madrid. Tomorrow she'll be in Barcelona.
No estaré en clase el miércoles.
No trabajo mañana.
I'm not working tomorrow (arranged plan).
Mañana llegaré tarde.
I will arrive late tomorrow.
I shall arrive late tomorrow (a little old sounding but you can use "shall" with "I" and "we").
Estaré en casa esta tarde.
I'll be at home this afternoon.
Don't drink coca-cola before bed. You won't sleep.
No voy al cumpleaños el sábado.
I'm not going to the birthday party on Saturday (arranged plan).
Creo que perderemos.
I think we will lose.
I think we shall lose (a little old sounding but you can use "shall" with "I" and "we").
No dejes la basura en el suelo. La comerán los pájaros.
Don't leave trash on the ground. The birds will eat it.
No creo que llueva esta tarde.
I don't think it will rain this afternoon.
Mañana estudio para el examen de mates.
I'm studying tomorrow for the Math exam.
La profe llegará tarde.
The teacher will be late. You CANNOT say the teacher SHALL be late. (you can use "shall" with "I" or "we" but not "you", "they", "he", "she", or "it".
Probablemente tendremos examen la semana que viene.
We'll probably have an exam next week.
Do you think he'll move (in the end)?
Creo que aprobaré.
I think I will pass.
Creo que iremos a la fiesta.
I think we'll go to the party.
¿Tu madre estará en casa cuando llegues?
Will your mom be at home when you arrive?
We're going to the cinema at 5:00 on Friday.
We CANNOT use will for arranged plans.
Are you going to do the exam?
No creo que le importe.
I don't think he'll mind.