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had been to do
被动语态的使用时机
答:
这里的
be
seated 是固定用法,如果要说坐下,固定搭配是be seated 或seat oneself 因为seat 的意思是 给…提供桌位,(使)就就座 而sit 过去式sat 坐,可以直接说sb. sit 而不用被动语态
...
done
,
had
done,being done,be done,
have
been
done,had been don...
答:
意为“正被……”比如:The building is being built now by the government .be
done
是被动语态,比如:The classroom needs
to
be cleaned.
have
been
done是现在完成时的被动语态 比如:These classrooms have been cleaned ,you can do something else .
had
been done是过去完成时的被动语态 ,...
see sb
to
do和see sb
doing
的区别
答:
二者的区别如下:1、see sb.
to
do 看见某人去做某事,它的的语句环境是某人正在准备做某事,是处于实施“某事”前,但“某事”尚未发生的这一阶段。例句:I see zoom to play games. 我看见zoom去玩游戏了。2、see sb.
doing
看见某人正在做某事,它的语句环境是“主语对象”恰巧看到了某人正在...
if引导虚拟语气三种用法,did,should
do
,were
to
do有什么区别
答:
例如: If she
had
been
here five minutes earlier she would
have
seen her old friend. →
Had
she been here five minutes earlier she would have seen her old friend. 如果她早到五分钟,她就会看见她的老朋友了。英语虚拟语气 if条件从句,与将来事实相反,从句用did ,were
to
do
,...
having
been
done
和
have
been done的区别
答:
前者是现在完成时的被动语态, 后者就是一般现在时,或一般过去时的被动语态。
have
been
done
和done的区别 have been done 现在完成时被动语态的基本形式;而done可以作为形容词:已经完成的,也可以是do的过去分词 was changed和has changed ; have been和
had
been ; have done 和 has done 区别...
did与
had
答:
did是
do
的过去式 http://baike.baidu.com/view/126968.htm#2
had
是
have
的过去式 have 用于笫一人称复数,比如(is am are they...)has 用于笫三人称单数,比如(Amy he she Ben...)。have 做疑问句时,须把have 改为do . 划线部分时,遇到笫三人称单没有have sb
to
do这种用法。have vt...
英语语法十六种时态辨析(2)
答:
7. 过去完成时,例句:The train
had
already left by the time I got
to
the station.在我到达车站前,火车就已经离开了。8. 过去完成进行时,例句:At last he got the offer from the university he had
been
expecting.他终于收到了期盼已久的大学录取通知书。9. 一般将来时,例句...
have
to
do和have
done
的区别?
答:
have
sth.
to
do 和have sth.
done
的区别是:1、sb have sth. to do,有事要做,这里的sth,是由说话人完成的。sb是行动的主体,强调说话人要做某事。2、sb have sth. done,翻译的话,还是说成有事要做,但这里的sth的行动主体不再是说话人,而是其他主体,即sth 被另一主体做了什么。sth ...
关于虚拟语气的几个选择题求答案和解释
答:
2. were
to
(也可以用 was to)表示对将来的虚拟,表示“按计划作某事”;3. 选项分析 A. was to start 指对现在的将来的虚拟;B was to
have
started 指对过去将来的虚拟;C was to be starting 和 D was to have
been
starting 在时态表示法上矛盾而且重复,因为 be to
do
/ be to ...
非谓语动词
having
been
done
,为什么要having而不是用
had
,
to
have
_百度...
答:
如:
Having
been
invited
to
speak, I started making preparations. 得到发表讲话的邀请,我开始做准备。("被邀请"在"开始准备"动作之前,用完成,对于我来说是被邀请,用被动)。非谓语动词
having
been invited to speak 在本句作原因状语。 如果用
had
,则 had been
done
是过去完成时态的...
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