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need to have done
need
’t
have
done
和wouldn’t do 的区别
答:
前者表示本来不必要做 而 做了, 有点责备和懊悔之意。you needn't
have
told him about it, I meant
to
tell him myself.后者表示不会做,不愿意去做.The boss told me to buy a gift for him ,but I wouldn't
do
it .
英语中的
need
to
do和need to
have
done
是什么意思啊?
答:
简单初级的讲:need
to
do 需要做某事 need doing 是需要被做有被动的意思 如;I need to wash my clothes.My clothes need washing.need doing = need to be
done
I need to mend my bike.My bike
needs
mending.具体的说:need to do sth实义动词 need doing sth,表示被动 人+need +to...
need
的否定形式是什么?
答:
need
的否定形式有两种,分别是needn’t
have
done
与didn’t need
to
do,两种形式需要分情形使用。1、needn’t have done的用法。它主要表示某事已经做了,但后来觉得没必要去做,因此常含有责备或遗憾之意,译成汉语通常是“本来不必……”。如:I needn’t have cooked so much food.Nobody was...
need
+
have
+
done
和 need+
to
+do的区别
答:
没有
need
have
done
这种说法,只有needn’t have done (没必要做某事但做了),表责备之意,这里的need属于情态动词。这种用法的结构是情态动词+完成时态。need有两种词性,一个是做情态动词 ,一个是实义动词。而need
to
do的need是实义动词,表示主语有明确动作的。“need”作为实义动词时,通...
needn't
have
done
和didn't
need
to
do 有什么不同
答:
动词的分类上,前者的
need
为情态动词,后者为实意动词.意思上,前者表示某件事没必要做却已经做了,表示已经做了这件事;而后者只是主语在过去时表示某件事必不必要做,做了没有并不清楚.didn't need
to
do 过去时 意思: 没必要去做某事 (事情还未做)needn't
have
done
一般现在时 意思: 没...
didn't
need
to
和和need't
have
done
什么区别?
答:
前者是不需要做某事 后者的意思的本不需要做但是却做了 明白了吧
need
的用法
答:
didn’t
need
to
do / needn’t
have
done
:前者表示因为没有做某事的必要,所以没有必要去做; 后者表示某事已经做了,但后来觉得没有必要去做,含有遗憾之味 need有情态动词和实义动词两种用法。一般说来,这两种用法在意义上差别不大,但在用法差别较大:他必须去那儿吗?正:
Need
he go there?
need
的五种用法
答:
need
to
do中不定式的逻辑主语就是主句的主语;need doing是主动形式表示被动含义,即need前的主语就是need后面的动词所表示的动作的承受者。注意:want和require作“需要”讲时,和need的用法相同。5、needn’t
have
done
与didn’t need to do。needn’t have done表示过去本不必做但实际上却做了...
needn't
have
done
和didn't
need
to
do 有什么不同
答:
needn't
have
done
和didn't
need
to
do 的不同:1、needn't have done 表示 本不需要做某事,但是已经做了 2、didn't need to do 表示 (过去)没有必要做某事,但是到底做没做某事,应该根据语境来分析。一、needn't have done 1、这里的 need 是个情态动词。2、needn't have done 源自...
needn't
have
done
和didn't
need
to
do 有什么不同
答:
解释一 didn't
need
to
do 过去时 意思:没必要去做某事 (事情还未做)needn't
have
done
一般现在时 意思:没必要做了某事 (事情已做好)解释二 didn't have to 是表示 “过去这件事情没有必要做”,但是实际上可能做了,也可能没做.例句:I didn’t need to book a ticket in advance....
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