被动语态的各种时态的句型

Question

包括肯定句 否定句 一般疑问句及回答（肯定回答和否定回答）

Answer 1

被动语态的基本时态变化　　
被动语态通常为十种时态的被动形式,
被动语态由“be＋过去分词”构成，be随时态的变化而变化。以do为例，各种时态的被动语态形式为：　　
1)

am/is/are
+done
(过去分词)
一般现在时　　
Visitors
are
requested
not
to
touch
the
exhibits.
2)

has
/have
been
done
现在完成时　　
All
the
preparations
for
the
task
have
been
completed,
and
we're
ready
to
start.　　
3)

am/is
/are
being
done
现在进行时　　
A
new
cinema
is
being
built
here．　　
4)

was/were
done
一般过去时　　
I
was
given
ten
minutes
to
decide
whether
I
should
reject
the
offer.　　
5)

had
been
done
过去完成时　　
By
the
end
of
last
year,
another
new
gymnasium
had
been
completed
in
Beijing.　　
6)

was/were
being
done
过去进行时　　
A
meeting
was
being
held
when
I
was
there.　　
7)

shall/will
be
done
一般将来时　　
Hundreds
of
jobs
will
be
lost
if
the
factory
closes.　　
8)

should/would
be
done
过去将来时　　
The
news
would
be
sent
to
the
soldier's
mother
as
soon
as
it
arrived.　　
9)

shall/will
have
been
done
将来完成时（少用）　　
The
project
will
have
been
completed
before
July.　　
10)

should/would
have
been
done
过去将来完成时（少用）　　
He
told
me
that
his
new
clothes
would
have
been
made
very
soon.