###### tags: `Cambly`,`Grant`
# Prepositions - Time
[Prepositions](https://www.ego4u.com/en/cram-up/grammar/prepositions)
[time-prepositions-exercise-2](https://www.perfect-english-grammar.com/time-prepositions-exercise-2.html)
## on
### days of the week
on Monday
on May 1st
**on** July 4th, 2020.
on **Christmas** morning
on **Christmas** day
on New Year day
## in
### months / seasons
in August / in winter
### time of day
in the morning
**in** the afternoon
in the early evening
### year
in 2006
### after a certain period of time (when?)
in an hour
## at
### for night
at night
at midnight
at noon
late at night
at **Christmas**
at Christmas 8pm in the morning
#### Q:
at the night?
### for weekend
at the weekend (British)
on the weekend (American)
### a certain point of time (when?) punctually time
at half past nine
## since
### from a certain <u>point</u> of time (past till now)
since 1980
since 1980 to 1982
Since February 2018 I have worked on Cambly.
From 1890 to 1983
## for
### over a certain <u>period</u> of time (past till now)
for 2 years
(7 weeks)
## ago
### a certain time in the past
2 years ago
## before
### earlier than a certain point of time
before 2004
I had worked on Cambly before 2020. (2020 not work on Cambly)
## to
### telling the time
ten to six (5:50)
## past
### telling the time
ten past six (6:10)
## to / till / until
### marking the beginning and end of a period of time
from Monday to/till Friday
## till / until
### in the sense of how long something is going to last
He is on holiday until Friday.
## by
### in the sense of at the latest
I will be back by 6 o’clock.
#### Q:
~~I will be back till/until/before 6 o’clock.~~
Can't use till / until with time, could use it with date
With by - will be near 6 o'clock, but no later than 6 o'clock
With before - it could be 3 o'clock, 5 o'clock
### up to a certain time
By 11 o'clock, I had read five pages.
#### Q:
~~Till/Until/Before 11 o'clock, I had read five pages.~~
With by - maybe started reading at 9 o'clock and after 2 hours I finished five pages. (9-11) we're sure the person stopped the action at 11 o'clock
With before - maybe started reading at 9 o'clock, but I stopped at 10 o'clock, we're not sure when the person actaully stopped, just know at 11 o'clock the person finished five pages.
# Practice
1. [-] last week I worked until 9pm [-] every night.
2. My father always reads the paper [at] breakfast time.
3. I'll see you [on] Tues**day** afternoon then.
4. The party is [-] **next** Saturday.
5. Luckily the weather was perfect [on] her wedding **day**.