有关suppose that用法虚拟语气 ,想必大家都想了解,有必要科普一下,suppos后面接虚拟语气和suppose 在什么情况下要用虚拟语气?如Nancy is supposed to (做完化学实验) at least two weeks ago.suppose that用法虚拟语气 的内容,好让您知道in caseon condition that suppose等后面怎么接...,一起深入了解。
suppose that用法虚拟语气 :suppos后面接虚拟语气
suppose 假定,认为
后面接宾语从句时,从句谓语动词要使用should 加动词原形结构的虚拟语气,should可以省略。例如
I suppose that you should make good
use of your time to study hard.
suppose that用法虚拟语气 :in caseon condition that suppose等后面怎么接虚拟语气
例如:You’d
better
take
the
keys
in
case
I’m
out.
(牛津高阶)Take
your
coat
just
in
case
it
rains/
it
should
rain.
(朗文当代英语词典)In
case也可解作“如果,假如”。这是美国的用法,用在句子开头,相当于if,这时从句通常不需要用虚拟语气。例如:In
case
you
can’t
come,
give
me
a
call
before
I
leave
for
work.
(麦克米伦英语词典)In
case
they
are
late,
we
can
always
sit
in
the
bar.
(朗文当代)On
condition
that...是“只有”“条件是”的意思,可以使用虚拟语气,也可以不用。使用虚拟语气的话,常用should+V.的形式,should可以省略。例句:I’ll
come
on
condition
that
John
is
invited.
(朗文当代)They
agree
to
lend
him
the
car
on
condition
he
(should)
return
it
in
a
week.Suppose表示“假如”时,后面的从句可用虚拟语气,也可不用。使用虚拟语气时,用过去时表示假设,而不用should+v.Suppose
flight
are
fully
booked
on
that
day-which
other
day
could
we
go?(麦克米伦英语词典)
suppose that用法虚拟语气 :suppose 在什么情况下要用虚拟语气
Nancy is supposed to (做完化学实验) at least two weeks ago.
这句话不是用不用虚拟语气,因为是不定时用现在时还是完成时的问题,单独来看2种情况都可能成立,适用于不同语境下。
at least two weeks ago至少两周以前,这句话有责备的含义,使用完成时表示她应该做什么(而没做),2周前她就被告知做什么。Nancy is supposed to have finished the chemistry experiments at least two weeks ago.
Nancy is supposed to finish the chemistry experiments at least two weeks ago. 责备的含义就弱了很多。差别在这里。
希望对你有所帮助。
suppose that用法虚拟语气 :虚拟语气在条件从句中的用法是什么
当要表示事实上不存在或可能性很小的假设条件时,必须用虚拟语气表示。是用虚拟语气需要注意以下几个方面的问题:
1. 什么样的句子或短语可以表示假设的条件
1)当句子中出现 if,as if 或 unless 引导的从句,可以考虑使用虚拟语气, 如:
* She looks as if she were made of ice. 她看起来似乎是冰做的。
* Unless he had studies hard, he would never have passed the examination. 他如果不努力学习, 就永远不会及格。(言外之意事实正好相反)
2)当句子是由 in case(万一), lest(免得), suppose that(假定),supposing(假如) providing(倘若),but that(若非)等连词,一定要用虚拟语气;如:
* Though it is fine, he takes along an umbrella in case it rained. 尽管天气晴朗,他随身带着一把伞,以防万一下雨。
* I was afraid lest he might come too late. 我怕他来得太晚。
* Suppose (that) your father saw you now, what would you say?假设你父亲现在看到了你, 你该怎么说?(本句也可以用supposing, providing)
* He would come but that it rained. 他回来的,除非下雨。
3)当句子是由without(如果没有),but for(要不是),必须用虚拟语气。
* Without health, happiness were impossible. 没有健康就不可能有幸福。
* He would come but for raining.
2. 从句中的时态问题
1)对现在虚拟要用过时态;
2)对过去虚拟要用过去完成时态;
3)对将来虚拟有三种形式:
* 用过去时表示于将来的实现的可能性很小;
* 用 should + 动词原形表示将来的实现的可能性极小(一定是 should,不能用其他情态动词)
* 用 were to do, 表示将来根本没有可能会实现
4)动词 be 按道理应该用 were,非正式英语中也可以用 was
3. 主句中的的时态问题
1)对过去虚拟用情态动词 whould. could, should, ought to, must + have done;
2)对现在或将来虚拟统一用 情态动词 whould. could, should, ought to, must + do
4. 不同情态动词的区别问题
* could 有能力上的可能
* would 有意愿上的可能
* should 有主观责任的可能
* ought to 有道义上的可能
* must 有极大的可能
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