Prepositions - Prepositions of Instrument and Agency

These prepositions highlight the person who performed an action or the tools someone used to achieve a goal.

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Prepositions
at [preposition]

used to indicate the tool, instrument, or method through which an action is performed

Ex: They held him against his will at gunpoint .
by [preposition]

used to indicate the person or entity performing an action

Ex: The car was repaired by a skilled mechanic .
on [preposition]

used to indicate the instrument used to perform an action

Ex: I track my expenses on my laptop .
through [preposition]

used to indicate the method or channel by which something is done

Ex: The funds were raised through donations .
with [preposition]

used to indicate the means or method employed to accomplish a particular action or goal

Ex: They cut the cake with a sharp knife .
over [preposition]

through the use of a communication or transmission channel

Ex: She taught the class over Zoom .
through the use of [preposition]

utilizing a particular method, tool, or technique

Ex: She achieved her goals through the use of effective time management techniques .
by [preposition]

used to show the type of transportation used to travel

Ex:
via [preposition]

by means of a particular person, system, etc.

Ex: Reports are coming in via satellite .
at the hands of [preposition]

as a result of actions or treatment carried out by a particular person or group

Ex: Many innocent civilians lost their lives at the hands of the dictator .