if条件状语从句谓语动词
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发布时间：2023-07-10 08:16
共1个回答
热心网友
时间：2024-12-05 02:03
从句：If
主语+过去时(Be动词用were)
主句：主语+should/would/could/might+do
例句“1．If
I
were
you,I
would
take
an
umbrella.
如果我是你，我会带把伞。（事实：我不可能是你）
2．If
I
knew
his
telephone
number,I
would
tell
you.
如果我知道他的电话号码，我就会告诉你。（事实：不知道）
2、表示与过去事实相反的情况
从句：If
主语+had+done
主句：主语+should/would/could/might+have
done
eg：
1．
If
I
had
got
there
earlier,I
should/could
have
met
her.
如果我早到那儿，我就会见到她。
（事实：去晚了）
2．If
he
had
taken
my
advice,he
would
not
have
made
such
a
mistake.
如果他听我的劝告的话，就不会犯这样的错误了。
（事实：没有听我的话）
3、表示对将来情况的主观推测
主句：主语+should/could/would/might+do
从句：①if+主语+were
to
do
②if+主语+should/would/could/might+do
③if+主语+did（动词过去式）/were
[1]
eg：
1．If
he
should
come
here
tomorrow,I
would
talk
to
him.
如果他明天来这儿的话，我就跟他谈谈。（事实：来的可能性很小）
2．If
there
were
a
heavy
snow
next
Sunday,we
would
not
go
skating.
如果下周日下大雪，我们就不能去滑冰了。（事实：下雪可能性很小）
