Problems with prepositions of time? Not any more! Follow these basic rules and you won´t make any mistakes.

• Utilizamos at para las horas y para ciertas expresiones:

at 8,30
at the weekend
at night
at Christmas
at the moment

• Usamos on para las fechas y los días:

on Saturday
on Saturday morning
on 25th October
on Monday evening

• Usamos in para períodos de tiempo más largos como meses, años y estaciones del año y para las partes del día (mañana, tarde, noche…)

in August
in 2012
in winter
in the sixteenth century
in the morning
in the afternoon
in the evening (at night)

• No hay preposición con: next, this, last o tomorrow

Did you watch TV last night?
It´s going to rain this weekend
See you next week
We are going out for dinner tomorrow night

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