PREPOSITIONS TIME
AT
TIME
She goes to class at 3 o'clock
PARTIES
I will buy presents at Christmas
IN
YEARS
She wrote the book in 1994
MONTHS
I will have an exam in May
PARTS OF THE DAY
I go to the park in the evening
ON
DAYS OF WEEK
I play basketball on Mondays
DATES
The appointment is on the 3rd of May