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have和had分别什么时候用
...
have
already left
和 had
already left 有
什么
区别 请问 我知道...
答:
意思上没区别,只是
时间
概念有所不同。
have
already left 强调到现在为止。
had
already left 强调到过去某时为止。
过去式当有did的
时候
第三单数是用
have还是had
?
答:
一般来说,同一句里,前后时态应保持一致,比如前面是过去式,后面只能用过去相关的时态。
助动词
have 和had
什么时候用
答:
He
had
become a model before he entered the film industry.
什么时候用
have
you
had
time
答:
需要请客的
时候
可以用,想与人交流的时候也可以
使用
。例如:
Have
you
had
time to go through the products halls?您是否有空参观商品展览?Have you had time for a bite to eat?你有
时间
吃口饭吗?
谁能讲讲嵌套完成时的具体用法,就是
have
had
been done,注意had也是语...
答:
have
(现完)/
had
(过完)been done 的"被动语态"形式。(由have/had done主动式转化而来的.)
have
been
和had
been
什么
区别
答:
He
has
always talked with his girlfriend. 他总跟女友聊天.(没有感情色彩)2、
have
been可以认为是现在完成时的主动形式和被动形式,如:He has gone to work. 他已去上班了.(主动)He has been arrested.他被逮捕了.(被动)
had
been 是过去完成时 即过去完成过
什么
动作 做过这件事 i had been...
now 能不能
跟 have
had
连用
答:
最好不要可以连用,now是现在时,而
have
had
是现在完成时,特殊情况下可以连用。
She might have gone.她或许已经走了。 句中为
什么用have
不用
had
?
答:
这是情态动词表示推测,对过去事情的推测 用情态动词+
have
+done的形式,是固定用法
什么
单词和短语要用
have
,
has
+v-ed?
答:
have
\
has
+v-ed(过去分词) 现在完成时表示动作发生在过去对现在造成的影响和结果。或动词从过去快速持续到现在形成的影响和结果。I have
had
dinner.我已吃过晚饭了。He has studied English for several years.他已经学英语几年了。
was
和had
怎么用?
答:
由Be动词中的(is,am)构成的语句要变成过去式时就需要用到(was),也就是说was是is和am的过去式。had是
have
的过去式。was
和had
的用法差别就是指Be动词
和Have
的用法差别。be动词后一般加形容词,或者动词不定式。have主要是与实义动词搭配。have 的意思有“有”,和“使”。have自身作为实义动词是...
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