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must be sb doing
sb
doing
的动词
答:
must
be
sb
doing
某人必须做.see sb do是全过程,doing是看见某人正在做 watch sb 同上 hope to do sth,不能用hope sb to do sth句型 可以是hope +that 同位语从句.如 His hope that he will have a large house one day is not impossible.expect sb to do sth,希望某人可以做某事 ...
must
be
do与must be
doing
区别
答:
must be do是错误说法,应为
must be done
.区别是:前者是一定做了,后者是一定在做。两者都表示推测。
there+
must
+
be
+
sb
+
doing
中sb是主格还是宾格?
答:
在句子 "there
must be sb doing
something" 中,sb通常是主格形式,表示存在的主语。在这个句子中,“sb”是there句型的主语,doing是现在分词作后置定语,表示该人正在进行某个动作。
must
一定要和
sb
/ sth+
do
/
be
+ do搭配吗?
答:
综述:
must
be
doing
一般用于确定某人在某一时间正在做某事。例句:My brother must be reading my message at the moment.我弟弟肯定现在正看我的短信呢。不是不加
sb
和sth,而是sb是主语,sth是do的宾语。没有这两样就不成句子啦。词语使用变化:must aux.(助动词)1、must表示义务或强制,含意...
there
must
be
sb
.
doing
有没有接动词不定式或者过去分词的时候...
答:
有过去分词的时候,多多少少含有被动之意。There
must
be
some students left in the classroom.Because the light are on.There be sth left剩余的的有---
there
must
be
sb
doing
sth
答:
一定有个人是做这个事情的 there
must
be
sb
doing
sth 例句 There must be policeman handling the traffic. 一定有交警来维持交通
it
mustbe
someone
doing
中doing用法
答:
must
be
doing
表示“(某人/某物)一定正在做。it must be 接动词ing表示的语法结构为情态动词must 加进行时be doing ,中文意思是“肯定正在做某事”例如:It must be raining outside. I heard the ticking of the roof.
There
must
be
somebody
doing
的用法?
答:
doing
sth是属于there
be
结构的情态动词形式的。它表示一种肯定的推测,意思是:此时/现在一定是/准是/肯定是有某人正在做某事的。例如:Look! The light in the office is still on. There
must
be someone working now. 瞧!办公室的灯仍然亮着。现在肯定是还有人在那里加班做工的。
情态动词用法
答:
肯定:
must
/may/might +
be
/do/be
doing
否定:can/could + not + be/do/be doing疑问:Can/Could +
sb
. + be/do/be doing(2)表示对过去情况的推测(情态动词 + have done)肯定:must/may/might + have been否定:can/could + not + have been/done疑问:Can/Could + sb. + have been/have done ...
be
动词的用法~!
答:
be
可以和动词不定式连用,有以下几点意义:①表示计划或安排要发生的事或打算要做的事,不定式可用被动式,在
was
或
were
后用不定式的完成式可表示“本来打算…”;②表示“必须”“得”等,意思接近
must
, have to;③表示“应该”“宜于”等,意思接近should,有时用来征求对方的意见,不定式可用被动式;...
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