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are believed to have done
英语高手进 !!
答:
解析:动词不定式的完成式表示过去发生的动作,即study动作发生say之前,从后面studied所用过去时态可知这一事早已发生。所以须用
to
have
done
形式。表明:"据说罗伯特过去曾经在某个国家学习过,但我不知道是在哪个国家"。答案为A。In fact, the London Stock Exchange is
believed
to have started from ...
下面这道英语专四语法题 为啥选C不能选择A?
答:
C. is
believed
to
have
been 现在被认为过去是。指现在人们的看法,而且此看法现在仍然存在着。选择C更加倾向于表达人们现在的看法。另外,关于 have/
has
been believed to have
done
的例句:Mount Ararat has been believed to have been the final resting place of the ark, which according to ...
英语的16种时态分别是什么?
答:
15) 过去将来完成时:should
have
done
, would have done 例:I
believed
by the end of that year an advanced version of that software would have been developed, but I was wrong.(我坚信到那年年底为止,那个软件的新版本将被开发出来。但是我错了。)(此句为被动语态)16) 过去将来...
英语各种时态的结构
答:
7.They
are
not listening
to
English,but some music.8.She is not cooking in the kitchen.9.What are you doing there?10.Where is he buying the ice-cream?四.现在完成时: 含义:到目前为止,已经或曾经做过的动作。汉语线索:已经,曾经,还没有,过,...年了,自从构成:
have
/
has
+
done
(过去分词)助...
不定式不可以在句子中做什么成分
答:
如:There
are
still many things
to
take care of (to
be
taken care of).但有时两种形式表达的意思不同,如:These is nothing to do now.( We
have
nothing to do now.) There is nothing to be
done
now.(We can do nothing now.) (2)时态 1) 现在时:一般现在时表示的动词,有时与谓语动词...
什么是英语虚拟语气? 构成是什么?帮一下忙,谢谢!
答:
〔B〕 if you
are
free
to
choose among all the cars available today〔C〕 if all cars available were free to
be
chosen by you〔D〕 if you were free to choose among all the cars available today2. 与过去的事实相反(有时主句中的should
have
done
表示责备或后悔)2) ,he would have come to...
英语现在完成时怎么用?用法是什么?可以的话顺便发点 现在完成时的练习...
答:
现在完成时(
have
/
has
done
, have/has been done) 1.现在完成时常用的时间状语有lately,recently,just,already,yet,up
to
now,till now,so far,to this day,in the past few years/months/weeks/days,over the past few years,during the last three months,for the last few centuries,through centuries,th...
什么是非谓语?
答:
现在分词的形式:1、现在分词的主动语态:现在分词主动语态的一般式表示与谓语动词所表示的动作同时发生,完成式表示的动作在谓语动词所表示的动作之前发生,常作状语。例如:They went
to
the park,singing and talking.他们边唱边说向公园走去。2、现在分词的被动语态:一般式表示与谓语动词同时发生的...
英语翻译
答:
neck got sick with the sciatica and so on chronic illness gets sick also plays the very good alleviation role. Shi Yanfang
believed
that the reason that the kicking the shuttlecock movement can widely disseminate, but also with uses the equipment simply,
to
carry conveniently,...
求英语题答案
答:
She seemed not
to
have
grasped what he really meant.她看来没有明白他真正的意思。2.常用于“主语+be said +to have
done
, been”相当于主动句“People say +that”结构的句型有:be said, reported, thought, supposed, expected,
believed
considered, known.如:Charles Babbage is generally ...
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