PREPOSITIONS OF TIME

                                                                                                   

PREPOSITION OF TIME

We use:

 AT for the time of day:

at five o`clock                at 11:45             at midnight              at lunchtime                at sunset

We use AT in these expressions;

at night                                  at the weekend(s)             at Christmas                       at Easter       
at present                              at the same time               at the moment

Examples:                I don`t like going out at night                                                                                                            Will you be here at the weekend?


We use:
ON   for days and dates:

On Friday (s)         On 12 March 1991      On Christmas night             On my birthday

Examples:      I will be at home on Friday morning.
                       Do you usually go out on Saturdays evenings?

We use:

IN for longer periods (for example months / years / seasons):

In October                    In (the) winter                       in 1968                          in the 1970s           

In the 18th century      In the Middle Ages               in the past                    in (the) future


We say:

In the morning(s)                 in the afternoon(s)                     in the evening(s)

Examples:  I will see you in the morning

                  Do you work in the evenings?

We do not use at / on / in before last / next / this / every:

Example: I will see you next Friday
                They got married last March.


In a few minutes /  in six months, etc. = a time in the future
                          
Examples;     The train will be leaving in a few minutes
                      She will be here in a moment.

We also use in... to say how long it takes to do something:

I learnt to drive in four weeks ( it took me four weeks to learn).