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He acted as if he _____ everything in the world.
A. knew B. knows C. has known D. won't know 为何选A呢，句子是过去时，从句不是用过去完成时么
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第1个回答 2014-04-06
这是虚拟句，他扮得好像他懂世界上的一切事情，与现在事实相反，用过去式。建议自己找虚拟那部分的专项补习一下
相似回答
He
acted
as
if
he ___
everything
in
the
world
.
答：
这是虚拟句，他扮得好像他懂世界上的一切事情，与现在事实相反，用过去式。建议自己找虚拟那部分的专项补习一下
he
acted
as
if
he ?
everything
in
the
world
.
答：
had known表示那时（
acted
）前，knew表示那时。句子的意思显然想表示在那时的状态（他那时并不知道世界的一切），故用knew
英语语法
答：
He
acted
as
if
he ___A___
everything
in
the
world
.A. knew B. knows C. has known D. won't know as if的虚拟句子不是要有had+Ved吗?这里为什么没有had呢?答：你的这个观点是错误的。as if 从句，如果表示虚拟语气的话，是用相应的过去时态，不只是had +pp这一种，还有...
...he
acted
as
if
he( )
everything
in
the
world
A.knew B.knows C...
答：
我觉得没有答案 我认为应该用had known 因为是对过去的事实相反
He
talks
as
if
he ___
everything
in
the
world
.
答：
答案B 在
as
if
/though后边的方式状语从句中，表示与现在事实相反或对现在的情况有所怀疑，动词用过去式；如果表示的是想象中的过去的动作，用过去完成时。本句表示对现在的情况有所怀疑。
He
talks
as
if
he ---
everything
in
the
world
.AknowBknewcCknowsD...
答：
应该选B.knew
as
if
从句中是过去时态,主动语态 因为主句是一般现在时,从句就用一般过去时；如果主句是一般过去时,从句就用过去完成时；就是从句的时态要比主句的早一些.因为as if后的从句发生的时间要早一些.这是我自己的理解,不知道准确不准确.如有更准确的理解,可以更正一下....
虚拟语气的一些练习题,急,快点!
答：
18.
He
acted
as
if
he ___
everything
in
the
world
.A. knew B. knows C. has known D. won't know 19. Read it aloud so that I ___ you clearly.A. may hear B. will hear C. hear D. have heard 20. They got up early in order that they ___ th...
帮忙看看这道英语填空题,谢谢了
答：
18.
He
acted
as
if
he ___
everything
in
the
world
. A. knew B. knows C. has known D. won't know19. Read it aloud so that I ___ you clearly. A. may hear B. will hear C. hear D. have heard20. They got up early in order that they ___ they first train. A. caught...
(英语高手入)
答：
18.
He
acted
as
if
he ___
everything
in
the
world
. A. knew B. knows C. has known D. won't know19. Read it aloud so that I ___ you clearly. A. may hear B. will hear C. hear D. have heard20. They got up early in order that they ___ they first train. A. caught...
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he asked me if
illustrated
distracted
complicated
overacted
heif spec
protected
unexpected
rejected
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