Question

关于It的英语句型有哪些?

在名词性从句中IT可作形式主语、形式宾语两种，那么关于IT的句型有哪些呢?希望可以全面些!

Answer 1

It
句型归纳
1.
It
is
+adj.(+for
sb./sth.)
+
to
do
sth.
用于此句型的形容词有:easy，
hard，
difficult，possible，
important，
impossible，
necessary，
good，
bad，
exciting，
interesting，
surprising等。如:
It
is
necessary
to
change
your
job.
It
was
very
hard
for
them
to
walk
such
a
long
way
in
the
snow.
2.
It
is
+n.(+for
sb./sth.)
+
to
do
sth.
用于此句型的名词有:
pity,
shame,
pleasure,
one’s
duty,
one’s
job,
fun,
joy,
good
manners,
bad
manners等。如:
It
is
a
pity
for
you
to
have
missed
such
a
wonderful
play.
It
is
bad
manners
for
the
young
to
take
up
the
seats
for
the
old.
3.
It
is
+adj.+of
sb.+to
do
sth.
此句型中的形容词主要描述某人的品德、特征。能用于该句型的形容词有:
kind,
nice,
wise,
silly,
polite,
impolite,
friendly,
foolish,
clever等。如:
How
silly
it
was
of
you
to
give
up
such
a
good
chance!
It
is
friendly
of
the
family
to
try
to
make
me
feel
at
home
in
their
house.
4.
It
is
+adj.(+n.)+doing
sth.
此句型中的形容词和名词常见的有:no/little
use,
no/much
good,
useless等。如:
It’s
no
use
crying
over
spilt
milk.
5.It
takes
sb.+一段时间+to
do
sth.
表示“做某事花费某人多长时间”。如:
It
took
us
half
an
hour
to
ride
to
the
town
by
the
sea.
6.It
is
+及物动词的过去分词+that从句
此句型中常见的及物动词的过去分词有:said,
told,
known,
reported,
recorded,
thought,
believed,
considered等。如:
It
is
reported
that
the
Russian
President
will
visit
China
next
week.
7.It
+不及物动词+that从句
此句型中不及物动词常见的有:seem，
happen，
appear，
matter等。如:
It
seems
that
there
will
be
a
heavy
snow
tomorrow.
It
happened
that
I
met
my
good
friends
in
the
museum
yesterday.
8.强调句型:It
is+被强调部分+that/who从句
在使用强调句型时要注意，指人时可以用who或that，其它情况一律用that。如:
It
was
under
the
bed
that
my
brother
hid
the
ball
this
morning.
It
is
Mr
Bell
who/that
often
comes
and
looks
after
the
old
man.
9.It
is/has
been+一段时间+since从句。如:
It
is
/has
been
three
years
since
we
saw
each
other
last.
10.It
is
(high)
time
that
sb.
did
sth.
该句型表示“某人现在该做某事了”，从句常用过去时(虚拟语气)
说明现在应该做的事情。如:
It’s
six
o’clock.It
is
high
time
that
we
went
home
now.