Hello
how are you today
?
at-in-on-from...to
AtWe have class at one o'clock
I have an appointment with he doctor at 3:00
We sleep at night
at+a specific time on the clock
at+night
InMy burthday is in October
I was born in 1960
We have class in the morning
Ali has class in the afternoon
I study in the evening
in+specific month
in+specific year
in+the morning
in+the afternoon
in+the evening
OnI have class on Monday
I was born on October 31, 1975
on+a specific day of the week
on+a specific date
From...ToWe have class from 1:00 to 2:00
from (a specific time) to (a specific time)X
Exercise:put on-in-at-from...toThe post office closes......... 5:00 P.M
The post office is open....... Sunday
I have class........... the morning
We have class....... ten........ eleven
Good bye