Azar 10 4

1. 10-4 Using the by- Phrase
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2. Theby-phraseis
usedinpassive
sentenceswhenitis
importanttoknow
whoperformsthe
action.
Sentence Explanation
The sweater was
made by my aunt.
by my aunt is
important
information.

3. Usuallythereisno
by-phraseina
passivesentence:
Thepassiveisused
when
Sentence Explanation
My sweater was
made in Korea.
It is not known or
not important who
performs the action.That house was
built in 1940.
Spanish is spoken in
Colombia.
It is obvious who
performs the action.
Rice is grown in
many countries.

4. Usuallytheactive
voiceisusedwhen
thespeakerknows
whoperformsthe
action.
Sentence Explanation
My aunt is very
skillful.
Active voice because
the speaker wants to
focus attention on
the subject of the
sentence.
She made this
sweater.
Thanks. This
sweater was made
by my aunt.
The focus of
attention is on the
two sweaters. The
by- phase adds extra
information.
That sweater was
made by my mother.