33问答网
所有问题
当前搜索:
has been down是什么时态
现在完成时的所有知识,特别是短暂性动词与延续性动词,since 能不与短暂...
答:
---He's already
been
sent for. 句子中如有过去时的时间副词(如 yesterday, last, week, in 1960)时,不能使用现在完成时,要用过去时。 (错)Tom
has
written a letter to his parents last night. (对)Tom wrote a letter to his parents last night. 3. 比较since和for Since 用来说明动作起始时间...
进行
时态
过去 过去完成
时态
的被动语态的结构式
答:
---This lesson
has
been
being taught for three weeks.14) should/would
have
been done 过去将来完成时(少用)He told me that his new clothes would have been made very soon.应用到各种
时态
和句型如下:① 一般式(一般现在,一般过去,一般将来):am, is, are, was, were, is going...
有关英语语法(
时态
)
答:
注意每一种
时态
与其他时态的交叉使用情况。英语共有十六种时态,其表现形式如下(以study为例):一般时 进行时 完成时 完成进行时 现在studystudies am studyingis studyingare studying
have
studied
has
studied have
been
studyinghas been studying 过去studied was studyingwere studying had studied had been studying ...
英语达人教教我 动词的
时态
好么?
答:
(E)在before或after引导的时间状语从句中用一般过去
时态
代替过去完成时。After he (had)left the room, the boss came in. We arrived home before it snowed.九)现在完成进行时
have
/
has
been
doing表示动作从过去某一时间开始,一直继续进行到现在,可能刚刚终止,也可能还要继续进行下去。Eg. It has been ...
英语
时态
问题.
答:
因为D)
has
lasted是现在完成时,表示到现在为止已经完成的动作,不能表示延续到将来某一时刻的动作,所以也不正确。 注意事项:由于本
时态
是由将来时和完成时融合在一起的,所以关于本时态的注意事项,可以参考“一般将来时”和“现在完成时”的有关注意事项。 12)将来完成进行时:shall
have
been
doing ,will have ...
初三英语语法
答:
现在完成时被动语态的构成为: 主语+
have
/
has
+
been
+过去分词情态动词的被动语态: 情态动词+be+过去分词一般将来时的被动语态: 主语+will +be +过去分词过去将来时的被动语态: 主语+would / should + be +过去分词过去进行时的被动语态: 主语+was / were + being +过去分词过去完成时的被动语态: 主语+...
英语中16种
时态
的完整结构、概念有哪些?
答:
【
时态
的基本概念】时态是表示谓语动作时间概念的动词形式。英语中的时态专指谓语动词而言,不同时间概念的谓语动作有不同的时态,每一个时态又有各自不同的动词形式。高中阶段要求学生熟练掌握八种时态,此外现在完成进行时在高中教材中反复出现,也应列入“应知应会”的范围。1.一般现在时:经常发生的动作或规律性的...
谁能告诉我英语的
时态什么
的,比如说过去完成时had+done
答:
Some trees are being cut
down
in the park.4、过去进行时的被动语态: was / were + being + 动词的过去分词done A new factory was being built in our city at that time.Some babies were being looked after by Miss Chen last year.5、现在完成时的被动语态:
have
/
has
+
been
+ ...
常用英语语法
答:
被动语态的时态是由be的时态决定的,
be是什么时态
,全句就是什么时态,be动词后面的过去分词不变。 1. 各种时态的被动语态结构如下: 一般现在时的被动语态:主语+am / is / are (not)+过去分词 一般过去时的被动语态:主语+was / were +过去分词 现在完成时的被动语态:主语+
have
/
has
+
been
+过去分词 一般...
初二英语下册知识点:重点短语~句子形式~
时态
(要一晚可以记下/能拿80...
答:
重点语法:现在完成进行
时态
do/does 的现在完成进行时态形式:
have
/
has
been
doing do/does 的现在完成进行时态的被动语态:have/has been being done现在完成进行时态所应用的场合:①某事从过去发生一直持续到现在都在做②过去发生的动作对现在造成影响例:我已上了三年初中。 I have been in Junior School for 3 ...
<涓婁竴椤
1
2
3
4
5
6
7
8
9
10
涓嬩竴椤
灏鹃〉
其他人还搜
has had是什么时态
was doing是什么时态
has been done
has been后面接什么