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The TV was turned on.
The boy made a model plane.
A total(总数) of 8 questions are answered.
or
Active
Passive
Passive
Passive
Active
Passive
Active
Passive
The lights were turned off by Tom.
The windows are cleaned every week.
The TV was turned on.
A total(总数) of 8 questions are answered.
How to form the passive voice?
Be
is, am, are
was, were
+ done
Simple present tense
Simple past tense
When to use the passive voice?
★It is obvious(显然) who performs the action.
★We do not know or do not need to
know who performs the action.
★We think the action is more important
than the person who performs the action.
Word processing is taught in our computer lessons.