until
since
on time
on
in time
in
from
for
during
by
before
at
after

The store will be open at 9 p.m. (We use "at" for specific times of day)
She has been living in London since 2010. (We use "since" to indicate a starting point in the past)
The train departed at [time]. (We use "at" for specific times)
My birthday is on May 15th. (We use "on" for specific dates)
He arrived just in time for the meeting. ("Just" + "in time" emphasizes arriving at the right moment)
I will be on vacation in August. (We use "in" for months)
The store is open from 9 a.m. to 6 p.m. ("From" and "to" indicate a duration)
I studied for three hours last night. (We use "for" to indicate a duration)
It rained heavily during the night. (We use "during" for a period of time)
Please submit your assignment by Friday. ("By" indicates a deadline)
Please finish your homework before tomorrow. (We use "before" to indicate something that needs to happen earlier than another time)
We will meet at 7 p.m. tonight. ("At" is used for specific times)
We will go for a walk after breakfast. (We use "after" to indicate something that happens later than another time)




 

1.f 2.n 3.h 4.i 5.e 6.m 7.k 8.c 9.d 10.g 11.a 12.f 13.b