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1704791860
1704791861 He doesn’t need to be told . He needn’t be told.两句不知意义和用法上有何不同?这个 need 可作正动词用,又可作助动词用,请将其用法上的区别举例说明。
1704791862
1704791863 【解答】 He doesn’t need to be told.意为“他已经知道,用不着告诉他。”是强调现状的说法。 He needn’t be told.意为“他知道的,用不着告诉他。”是强调今后的行为的说法。
1704791864
1704791865 关于正动词 need 的用法,和普通动词一样,第三人称单数现在要加“s”,过去式要加“ed”,字前可加用助动词,例如:
1704791866
1704791867 Each of us needs to master such a foolish fear.(我们每个人都必须把这样愚蠢的恐怖心理加以克服。)
1704791868
1704791869 She did not need to be told twice.(对她只消说一遍就行了。)
1704791870
1704791871 He has never needed to hurry more than now.(他从来没有现在这样需要急忙的。)
1704791872
1704791873 I may need to come in again in a few days.(也许过几天我还得再来。)
1704791874
1704791875 Not needing to hurry, I walked along leisurely.(既不用忙,我就很悠闲地慢慢走去了。)
1704791876
1704791877 I made them much bigger than I need to have done.—— Jespersen(我把它们做得比必要的大多了。)
1704791878
1704791879 That does not need accounting for.= That needs no accounting for.(那个不必解释。)
1704791880
1704791881 关于助动词 need 的用法,照文法上的规则,是在问句和否定句中,need 要拿来当助动词用,即是主语第三人称单数现在不加“s”,不用 Do- Form,后接无“to”的不定词,不过也常有例外。
1704791882
1704791883 Need he hurry?(他必须赶快吗?)这句改用正动词也是一样的意思: Does he need to hurry?
1704791884
1704791885 You need not have given yourself such trouble.(你原用不着这样给自己找麻烦的。)
1704791886
1704791887 It need not be true.(这不一定是事实。)
1704791888
1704791889 助动词的 need,过去式和现在式一样,形式不变,即是不要写成 needed 的形式,例如:
1704791890
1704791891 The children were told that they need not stay.—— A. S. Hornby(告诉孩子们没有留下的必要。)
1704791892
1704791893 如上例所示在 Reported Speech(转述的话)中,这个现在式的 need 可作过去式用,至于在问句或否定句中可以有这种用法,更不待言。
1704791894
1704791895 Need he go yesterday?= Did he need to go yesterday?(在昨天他有去的必要吗?)
1704791896
1704791897 He need not go yesterday.= He did not need to go yesterday.= He needed not to go yesterday.(他昨天没有去的必要。)
1704791898
1704791899 He need not have any help from us yesterday.= He need have no help from us yesterday.= He did not need to have any help from us yesterday.= He needed not to have any help from us yesterday.= He needed to have no help from us yesterday.(昨天他不需要我们的任何帮助。)
1704791900
1704791901 有些句子多少含有否定或疑问意味的,都适用上述的用法,如:
1704791902
1704791903 He need only (或 but)have a little help from us yesterday.(他昨天只消我们稍予帮助就好了。)这句也可以说: He needed only (或 but)to have a little help from us yesterday.
1704791904
1704791905 All he need do was to inquire.(他只消问一声。)
1704791906
1704791907 She wanted me to tell her whether she need copy her composition again.(她要我告诉她看她的作文要不要重抄一遍。)
1704791908
1704791909 I wondered if he need wait any longer.(我急想知道他是否有再等的必要。)
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