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What Month Do Next Year Cars Come Out

Prepositions of Time - at, in, on

We use:

  • at for a PRECISE TIME
  • in for MONTHS, YEARS, CENTURIES and LONG PERIODS
  • on for DAYS and DATES
at
PRECISE TIME		 in
MONTHS, YEARS, CENTURIES and LONG PERIODS		 on
DAYS and DATES
at 3 o'clock in May on Sunday
at 10.30am in summer on Tuesdays
at noon in the summer on 6 March
at dinnertime in 1990 on 25 Dec. 2010
at bedtime in the 1990s on Christmas Day
at sunrise in the next century on Independence Day
at sunset in the Ice Age on my birthday
at the moment in the past/future on New Year's Eve

Look at these examples:

  • I have a meeting at 9am.
  • The shop closes at midnight.
  • Jane went home at lunchtime.
  • In England, it often snows in December.
  • Do you think we will go to Jupiter in the future?
  • There should be a lot of progress in the next century.
  • Do you work on Mondays?
  • Her birthday is on 20 November.
  • Where will you be on New Year's Day?

Notice the use of the preposition of time at in the following standard expressions:

Expression Example
at night The stars shine at night.
at the weekend* I don't usually work at the weekend.
at Christmas*/Easter I stay with my family at Christmas.
at the same time We finished the test at the same time.
at present He's not home at present. Try later.

*Note that in some varieties of English people say "on the weekend" and "on Christmas".

Notice the use of the prepositions of time in and on in these common expressions:

in on
in the morning on Tuesday morning
in the mornings on Saturday mornings
in the afternoon(s) on Sunday afternoon(s)
in the evening(s) on Monday evening(s)

When we say last, next, every, this we do not also use at, in, on.

  • I went to London last June. ( not in last June)
  • He's coming back next Tuesday. ( not on next Tuesday)
  • I go home every Easter. ( not at every Easter)
  • We'll call you this evening. ( not in this evening)
English Grammar Quiz for ESL learners

Mini Quiz

Test your understanding with this quick quiz.

1. Choose the correct prepositions: "Let's meet _______ midday _______ Saturday."

at, at
in, on
at, on

a) at, at b) in, on c) at, on

2. Choose the correct prepositions: "The manager isn't here _______ present, but she'll be back _______ half an hour."

at, in
at, at
in, in

a) at, in b) at, at c) in, in

3. Which are correct? "You won't be working _______ Saturday nights _______ the future, will you?"

at, in
on, in
on, at

a) at, in b) on, in c) on, at

4. Which are correct? "I'm busy _______ moment, but I'll be free ______ evening."

at the, in this
in the, at this
at the, this

a) at the, in this b) in the, at this c) at the, this

Your score is:

Correct answers:

What Month Do Next Year Cars Come Out

Source: https://www.englishclub.com/grammar/prepositions-at-in-on-time.htm