




The prepositions in, on,
and at can be used to
indicate time and place. Notice how they are used in the
following situations:
In
many languages, there is only one preposition for the above
situations. In English there are three. Just remember that in usually indicates the
"largest" time or place, and at
usually indicates the "smallest" time or place.
Examples:
Q: Where's your office?
A: In Taipei, Taiwan.
Q: Really? What part of Taipei?
A:
It's on Chung Shan North Road.
Q: I know that area. Where exactly is it?
A:
It's at 105 Chung Shan North Road,
next to the bookstore.
Q: When is the wedding?
A: It's in June.
Q: What day?
A: It's on Saturday, the 25th.
Q: What time?
A:
It starts at 6:00.
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at the swimming pool (on
site)
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in the swimming pool (in the
pool itself i.e. in the water)
|
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at the post office/bank
(general)
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in the post office/bank
(inside the building)
|
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at the zoo (visitors,
general area)
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in the zoo (animals in their
cages)
|
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at school
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in the classroom
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"practice"/situation
|
building
|
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in school (studying,
listening to teacher, etc.)
|
in the school
(building)
|
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in jail/prison (staying
there as a criminal)
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in the jail/prison
(temporary)
|
|
in church (praying,
listening to a sermon, etc.)
|
in the church
(building)
|
in church (attending
services)
|
in the church (fixing the
windows)
|
|
at church
|
at the church
|
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in prison (He committed a
crime.)
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at the prison (visiting his
friend)
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The men live in the dormitory.
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(Single
verbs)
|
He stayed at the Hi Hat Hotel.
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(Past
tense verbs)
|
I am learning many new things.
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(Progressive
verbs)
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She has been there before.
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(Perfect
verbs)
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They have been working here five years.
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(Perfect
progressive verbs)
|
I could use some assistance.
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(Verbs
and modals)
|
The trip was approved by the
professor.
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(Passive
verbs)
|
Do you want some
more pie?
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(Verbs
in questions)
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The
mayor works here.
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(adverbs)
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Neil is not a candidate.
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(negatives)
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They
live in the suburbs.
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(prepositional phrases)
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She'll
leave whenever she wants.
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(adverbial clauses)
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Don't talk while eating.
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(phrases)
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