Page 123 - Just Enough English Grammar Illustrated Book

The question words where and to where can help you identify
prepositions that express direction or movement.

Location

Joey sits under the umbrella. The pep rally is in the school.

The preposition in often describes a location. Use in when
the meaning is within. Place can refer to specific locations,
such as at your house, or it can refer to a surface, such as on top
of the road. The question word where can help you identify
prepositions that express a location or a place.

Time

Pool Hours
9:00 a.m. –
10:00 p.m.
My birthday is on Easter. The pool opens at 9:00 a.m.

The preposition at can be used to express both an event in
time and time shown on a clock. The most common prepositions
referring to time are in, at, and on. Other examples are
Graduation is in May and The party takes place on Saturday.
Use the question word when to identify prepositions that
express time.

6.3 Frequently Used Prepositions

There are a great many prepositions. Only a few of the most
common prepositions are shown in the list below.

Frequently Used Prepositions
across down into out
after for near out of
at from of over
before in off to
behind inside on with

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