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have be doing
to
be
doing
和to
have
been doing都是什么意思???(求助中……有这个...
答:
to
be
doing
正在做某事 (其实就是现在进行时)to
have
been doing过去正在做某事,现在还在做(通常表示延续)当实际用的时候,to没有任何实际意义,所以这两个结构可以简写成:be doing,have been doing.例:I'm singing(我在唱歌)She
has
been playing the piano for 5 years.(她已经弹了5年钢琴).(...
be
+
doing
是什么时态?
答:
have been doing
现在完成进行时 表示动作从过去某一时间开始,一直持续到现在,或者刚刚终止,或者可能仍然要继续下去。来自:百度百科网页链接 have been being done现在完成进行时被动语态 I have been doing some historical research.我一直在进行史学研究。《牛津词典》...
haⅴe十ing形式?
答:
have
十ing形式是时态是现在进行时,结构为
be
+
doing
,所以have是-ing形式。当句中出现的时间状语是these days,this week,this month,this term 等时,如果句子所要表达的意义是在这一阶段正在发生的事,则动词应用现在进行时。◇They're
having
a test this week.这一周,他们在进行一次考试。◇Mr ...
英语中现在进行时,
have
和
be
动词可以同时存在吗?是什么意思?
答:
现在进行时,
have
和
be
不能同时存在,have+been+
doing
或是have+been+done或是have done均表示已完成的动作 动词be的变形is/are+doing表示现在进行时,而have+been+doing表示现在完成进行时 求采纳 求采纳 求采纳 求采纳 求采纳 求采纳
完成时
have
+动词ing表什么时态举个例子
答:
现在完成进行时是助动词
have
加上
be
的过去分词been加上动词的现在分词构成,表示的是动作从过去一直延续到现在的动作,并且这一动作现在还在进行,如:I have been studying Spanish for one year but I can't spell a single Spanish word right.和现在完成时有区别,现在完成时表示的是动作在过去做,...
助动词和
be
动词的区别有哪些?
答:
助动词和
be
动词的区别如下在;1. 形式不同:助动词形式有:
have
、
has
、has、do、does、did、can、may等情态动词;当be动词是构成现在进行时态(be
doing
)或者和过去分词构成被动语态(be done)的时候,也是助动词。be动词的形式有:is、am、are、was、
were
以及各种其它时态的构成。2. 作用不同:助...
用“will
have
done”“will
be
doing
”“will have been doing”造句...
答:
1.They will
have
been married for 20 years by then(将来完成时)2.This time next day they will
be
sitting in the cinema(将来进行时)3.Mr. Jackson decided to return to London next month. By that time he would have been working with us here for six years.(将来完成进行时...
be
doing
和
have
been doing在表达的意思上有什么区别
答:
have
been
doing
现在完成进行式:比如说, have been learning,表示过去已经在学习,并且现在还在学习(有可能继续学下去)。
be
doing 现在进行时:表正在发生、进行的动作(没有提到过去);现在进行时表将来:表示按计划即将发生、打算要做的事。
be
doing
表示什么?
答:
be
doing
表示将来。“be doing按计划、安排即将做。常用动词有go,start,leave,reach,arrive,return,come,move.”例如:They are moving to a new flat next week.另外有一种说法是:“表示在最近计划或安排要进行的动作。常限于go,come,leave,start,arrive,return,work,sleep,stay,do,
have
,wear等表...
have
been
doing
与 have done的用法区别
答:
要想很好地区分
have
done和have been
doing
,我们需要从两个方面来讨论:一、完成时态和完成进行时态本身意义的差别;二、要结合动词的不同延续特点。首先我们来看两种时态的意义差别,两者根本区别是:完成进行时强调动作持续的过程(emphasis on duration),完成时强调动作的结果或成就(emphasis on ...
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