need 过去式
需要过去式
以上为机器翻译结果，长、整句建议使用
And selective breeding has made her more economic to keep. Battery chickens used to need 4kg of feed for 1kg of eggs; now they need only 2kg.
并且，选择育种以使得笼式养鸡更经济了，过去生产1公斤鸡蛋需要4公斤饲料，现在仅仅需要2公斤。
One thing you need to remember about the imperfect past tense—it is for activities that were ongoing or repeated; something you were doing in the past, or something you used to do.
你应该记住过去未完成式是指过去进行的或重复的动作，你在过去正在做的事或习惯的事。
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need中文是什么意思
音标：[ ni:d ]&&发音：&&过去式: needed&&&过去分词: needed&&&名词复数: needs&&&现在分词: needing&&&
中文翻译n.1.必要,需要。2.缺乏,不足。3.需求；需用的东西。4.危急的时候,一旦有事的时候。5.贫穷。短语和例子There is no need for [of] hurrying ＝There is no need to hurry. 不用着急。 There is a great need of money. 急需要钱。 A friend in need is a friend indeed. 患难朋友才是真朋友。 He is in great need. 他穷得很。 at (one's) need 在紧急时 (be good at need 在急需的时候有用)。 be in need of 需要。 do one's needs 〔俚语〕解大[小]便,解溲,撒尿。 had need (to) (do) 必须… (I have need to go to town. 我必须进城)。 have no need of 不需要。 If need be [were] 如果必要的话。 in case [time] of need 在紧急的时候,万一有事时。 stand in need of 需要。vt.要,需要,必须,有…的必要。 This house needs repair. 这个房子要修理了。 He needs to go. 他必须去。 Does he need to know？ 有告诉他的必要吗？vi.1.生活贫困。2.〔古语〕需要〔主要用于无人称句〕。短语和例子It needs not. 不需要。 more than needs 超过需要。 There needs no apology. 用不着辩解。 Give to those that need. 救济贫困者。不得不,必须。 1.★在否定句或疑问句中,第三人称现在时单数也不加 s； 过去时用 had to 来代替,将来时用 will (或 shall) have to 来代替。 need not (〔口语〕 needn't) 相当于 must 的否定形式。 如: He need not come. 他不必来。 N- she go 她必须去吗？ It need hardly be said that …简直用不着说。2.She need not go. 这句话,口语常说作 She doesn't need [have] to go.&&&&困难时&&&&很需要&&&&如果需要的话&&&&在危难中, 在危急中&&&&需要...时, 如果需要..; 需要/需要....的时候; 需要，缺少&&&&需要..&&&&对……的需求&&&&affiliation亲和需求&&&&无须逃跑&&&&死亡手术室&&&&有需要的朋友&&&&能力需求&&&&成就需求; 成就需要; 进取需要&&&&习得需要&&&&活动需要
例句与用法Most of all, they needed new products .最重要的是，他们需要新产品。My watch has stopped -- it needs fixing .我的表停了需要修理了。You need more protein to build you up .你需要增加蛋白质以增强体质。The wiring is faulty and needs to be replaced .配线坏了，需要更换。The piping outside the house needs painting .室外的管道需要油漆了。The blind do not always need our help .盲人并不经常需要我们的帮助。A friend in need is a friend indeed .患难中的朋友，才是真正的朋友。We need a man of his cut in this firm .我们公司里需要他那类型的人。I need to get your slant on the situation .请说说您对于情况的意见。You will need an injection every four hours .你要每隔四小时打一针。更多例句：&&1&&&&&&&&&&
英文解释the psychological feature that arouses an organism to action t the r that which gives purpose and d "we did not understand his motivation"; "he acted with the best of motives"同义词：, , anything that is n "he had sufficient means to meet his simple needs"; "I tried to supply his wants"同义词：, a condit "she satisfied his need for affection"; "God has no need of men to accomplish His work"; "there is a demand for jobs"同义词：, a state of extreme po "their indigence appalled him"; "a general state of need exists among the homeless"同义词：, , , ,
"This piano wants the attention of a competent tuner"同义词：, , hav "always needing friends and money"require as useful, just, "It takes nerve to do what she did"; "success usually requires hard work"; "This job asks a lot of patience and skill"; "This position demands a lot of personal sacrifice"; "This dinner calls for a spectacular dessert"; "This intervention does not postulate a patient''s consent"同义词：, , , , , , , ,
百科解释A need is something that is necessary for organisms to live a healthy life. Needs are distinguished from wants because a deficiency would cause a clear negative outcome, such as dysfunction or death.详细百科解释
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need作为情态动词有没有过去时
need是情态动词,没有时态和数的变化.当need做实义动词的时候,可以有过去时,needed
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其他类似问题
没有作为实意动词当需要时有needed
没有，就是need。 need do sth.其他的情态动词有所谓的过去时，比如 will-would,can-could,shall-should.need没有，作为情态动词。相同的，dare也没有
need是情态动词，没有时态和数的变化。
注意了！！need表示“需要”，“必须”，用作情态动词时无词形的变化，常用于否定句和疑问句中！作为实义动词常用于肯定句中。如;He needn't go there.(情态动词)He needs to ask for a leave.(实义动词)
老大，情态动词有过去式吗？也不想想~~~~~~~
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求翻译：need的过去式是什么意思？
need的过去式
问题补充：
need the past tense
need of the past
need past tense
Need thing of the past
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