Time prepositions
| At – for times of the day | at half past 7 at midnight at sunset at breakfast time |
| On - for days and dates | on the 5th of June on Tuesdays, on Saturday morning on Christmas day |
| In - for longer periods of time | in April in 1987 in the winter of 1976 in the 1930s |
| No preposition | next last tomorrow yesterday |