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had done to
...pet dog A does B has
done
C
had
done Dwould d
答:
C,考察过去完成时。以didn't为时间点,在此之前做的事情,用过去完成时:
had done
。译:难道你没看到这个淘气的男孩对邻居家的宠物狗做了些什么。
...do 或doing 或
done
还有啊,什么时候用
have
done 什么时候用
had
done...
答:
doing在开头:1.做主语 Winning this competition is the biggest thing. 赢得比赛是最重要的。2.做状语,表状态 Trembling, he put on his coat. 他发抖着穿上了大衣。3.做定语 Jumping mice are happy. 蹦跳的老鼠们很开心。
done
在开头 1.被动,作状语 Caught by the police, he was very up...
虚拟语气中
had
done
与would
have
done,did与would do 的用法有何区别...
答:
当主句与if条件句中的动作都发生在过去时,主句谓语动词就要使用
had
done
形式,if条件句中谓语动词则要使用would
have
done形式 。e.g.If I had worked hard,I would have passed all the exams.当主句以及if条件句中的动作都发生在现在时,主句的谓语动词必须使用did(be动词用were),if条件句动词须...
have
done
和
had
done有何区别?
答:
1、
have
+ 过去分词 是现在玩成时态, 表示过去发生的动作对现在造成的结果或影响,或者表示动作从过去开始发生一直持续到现在 。2、
had
+过去分词 是过去完成时 ,表示针对过去的某个时间来说 已经发生的动作或状态, 表示过去的过去。3、这个没有have
done
的使用频率高,它主要是要表达过去的过去意思...
have
done
和
had
done的区别
答:
这题我会老师刚刚教过。含义不同
have
done
:英式发音 [hæv dʌn] 美式发音[hæv dʌn]英式发音和美式发音是一样的。意思:从过去发生,截止到现在
had
done:英式发音 [həd dʌn] 美式发音[həd dʌn]英式发音和美式发音是一样的...
had
done
的用法和含义
答:
1、用法不同
had
done
是过去完成时。表示动作发生在过去的过去。通常句中有过去时间状语作参照。例句:I had finished my homework before my father came back.在我父亲回来之前,我已经完成了家庭作业。had been done 则是过去的过去,是过去完成的被动态时。例句:The rooms had been cleaned when...
何时用
had
done
?何时用
have
/has done?
答:
解答:过去完成时用
had
done
如:He had done three years ago.他三年前做过的。现在完成时用
have
/has done 如:He has done up
to
now.到目前为止,他一直在做这件事。
Had
done
是什么时态
答:
过去完成时(The Past Perfect Tense):表示过去的过去,其构成是
had
+过去分词。1、肯定句:主语+had+动词过去分词+其他。2、否定句:主语+had+not+动词过去分词+其他。3、疑问句:
Had
+主语+动词过去分词+其他?4、特殊疑问句:特殊疑问词或词组+had+主语+过去分词+其他?5、被动语态:主语+had(...
having
done
和
had
done的区别?
答:
"
Having
done
" 和 "
had
done" 都是过去完成时的形式,但是它们之间有一些区别。"Having done" 是现在完成时的过去完成时形式,表示过去发生的动作在过去某一时间点之前已经完成。在句子中通常用作过去完成分词形式。例如:Having finished his homework, John went
to
bed.(约翰做完作业后就去睡觉了。
动词不定式
答:
1.是的 2.这里的
have
是实意动词,并不是用于完成时态的助动词了,have是有的意思,后面又有实意动词make,所以中间要加
to
你这句话从语法角度来看没什么错误,但是要注意在表达英语要地道, have no time to
do
sth.是一个习惯表达,意为没时间做什么事情 3.Tom really didn't know which ...
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