need的否定形式什么时候该用needn't什么时候该用don't need need to do sth变否定句是needn't 还是d...
need\u7684\u5426\u5b9a\u5f62\u5f0fneedn't do \u3001don't need to do\u5176\u5b9e\u6ca1\u4ec0\u4e48\u533a\u522b\uff0c\u5c31\u662f\u524d\u8005\u662f\u60c5\u6001\u52a8\u8bcd\uff0c\u540e\u8005\u662f\u884c\u4e3a\u52a8\u8bcd\u3002\u5426\u5b9a\u53e5\u591a\u7528needn't\u3002
don't need to do.
need to do sth\u3001need sth \u4e2d\u7684need\u662f\u5b9e\u610f\u52a8\u8bcd\uff0c\u8868\u793a\u9700\u8981\u505a\u67d0\u4e8b\uff0c\u5426\u5b9a\u5f62\u5f0f\u662f\u5728\u8c13\u8bed\u52a8\u8bcd\u524d\u52a0\u52a9\u52a8\u8bcd\u8fdb\u884c\u5426\u5b9a\u3002
\u4f8b\uff1a
\u2460I need to eat some fruits. \u6211\u9700\u8981\u5403\u4e00\u4e9b\u6c34\u679c\u3002
\u5426\u5b9a\uff1aI don't need to eat any fruits. \u6211\u4e0d\u9700\u8981\u5403\u6c34\u679c\u3002
\u2461I need some fruits to eat. \u6211\u9700\u8981\u4e9b\u6c34\u679c\u6765\u5403\u3002
\u5426\u5b9a\uff1aI don't need any fruits to eat. \u6211\u4e0d\u9700\u8981\u4efb\u4f55\u6c34\u679c\u6765\u5403\u3002
\u6269\u5c55\u8d44\u6599
1\u3001need\u7528\u4f5c\u60c5\u6001\u52a8\u8bcd
\uff081\uff09need\u7528\u4f5c\u60c5\u6001\u52a8\u8bcd\u65f6\u8868\u201c\u5fc5\u987b\u5fc5\u8981\u201d\u7684\u610f\u601d\uff0c\u540e\u76f4\u63a5\u8ddf\u52a8\u8bcd\u539f\u578b\uff0cneed\u7528\u4f5c\u60c5\u6001\u52a8\u8bcd\u65f6\u5e38\u7528\u4e8e\u5426\u5b9a\u53e5\u548c\u7591\u95ee\u53e5\u4e2d\u3002\u4f5c\u60c5\u6001\u52a8\u8bcd\u65f6\uff0c\u5426\u5b9a\u5f62\u5f0f\u662f\u5728need\u7684\u540e\u9762\u52a0not\u3002
\u4f8b\uff1aShe needn't arrive so early\u3002\u5979\u672c\u4e0d\u5fc5\u5230\u5f97\u8fd9\u4e48\u65e9\u3002
\uff082\uff09need\u65e0\u4eba\u79f0\u3001\u6570\u7684\u53d8\u5316\uff08\u7b2c\u4e09\u4eba\u79f0\u5355\u6570\u4e0d\u52a0s\uff09\uff0c\u4e5f\u6ca1\u6709\u975e\u8c13\u8bed\u5f62\u5f0f\uff08\u4e0d\u5b9a\u5f0f\u3001\u5206\u8bcd\uff09\u3002
\uff083\uff09must\u5f15\u5bfc\u7684\u4e00\u822c\u7591\u95ee\u53e5\u7684\u5426\u5b9a\u56de\u7b54\u5fc5\u987b\u4f7f\u7528needn't\u3002
\u4f8b\uff1a
-Must I leave?\u6211\u5fc5\u987b\u79bb\u5f00\u5417\uff1f
-No, you needn't. \u4e0d\uff0c\u4f60\u4e0d\u5fc5\u79bb\u5f00\u3002
2\u3001need\u7528\u4f5c\u540d\u8bcd\u65f6\uff0c\u65e2\u53ef\u4ee5\u662f\u53ef\u6570\u540d\u8bcd\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e0d\u53ef\u6570\u540d\u8bcd\u3002
\u4e3b\u8981\u5e38\u7528\u53e5\u578b\u5982\u4e0b\uff1a\u2460(There's) no need to do something \u6ca1\u5fc5\u8981\u505a\u67d0\u4e8b
\u4e5f\u53ef\u4ee5\u5355\u72ec\u4f7f\u7528\uff1aThere's no need. \u610f\u601d\u662f\u201c\u6ca1\u6709\u5fc5\u8981\u201d\u3002
\u2461in (great) need of \uff08\u975e\u5e38\uff09\u9700\u8981
\u2462if need be \u5982\u679c\u9700\u8981\u7684\u8bdd
3\u3001need\u4f5c\u5b9e\u610f\u52a8\u8bcd\u65f6\uff0cneed doing\u8868\u793a\u88ab\u52a8\u610f\u4e49\uff0c\u76f8\u5f53\u4e8eneed to be done \u9700\u8981\u2026\u2026
needn't是情态动词的否定式，后面加动词原形。
don't need是实义动词的否定式，后面加to do不定式。
当need用作情态动词时，need +not,(need后加动词原型时，是情态动词）
当need用作实义动词时，don't need（need 后加名词或代词或to do时，是实义动词）
you need not go.
you don't need to go .
i don't need help.
绛旓細璇绐嶅氨鏄細鍒ゆ柇need鍦ㄥ彞涓槸浣滀负鎯呮佸姩璇嶈繕鏄疄鎰忓姩璇嶇敤鐨勶細need浣滀负瀹炰箟鍔ㄨ瘝鏃跺拰鏅氬姩璇嶄竴鏍凤紝鍚﹀畾鐢don't need锛沶eed浣滀负鎯呮佸姩璇嶆椂姣旇緝鐗规畩锛岀敤needn't褰㈠紡銆傦紙涓庡叾浠栨儏鎬佸姩璇嶁渃an鈥濓紝鈥渕ay鈥濓紝鈥渕ust鈥濈殑鐢ㄦ硶鍩烘湰鐩稿悓銆傦級鎵浠ュ叧閿氨鏄垽鏂槸浣滀负鎯呮佸姩璇嶈繕鏄疄鎰忓姩璇嶇敤銆傝嫢need鍚庤竟鍔犵殑鏄姩璇嶅師褰...
绛旓細need鍙互鍋氬疄鎰忓姩璇 涔熷彲浠ュ仛鎯呮佸姩璇 鎯呮佸姩璇嶅悗闈㈠姞do 鍙樻垚鍚﹀畾褰㈠紡灏辨槸needn't 瀹炴剰鍔ㄨ瘝鍚庨潰鍔犱笉瀹氬紡 涔熷氨鏄姞to do 鍚﹀畾褰㈠紡杩樻槸璺熶竴鑸姩璇嶄竴鏍峰彉 杩欓噷鏄痶hey鐨勪富璇 鎵浠ョ敤鍗曟暟 don't need 甯屾湜鑳藉甯埌妤间富
绛旓細1.needn't 鏄綋need 浣滄儏鎬佸姩璇嶆椂鐨勫惁瀹氬舰寮,2.褰撲綘鐢∕ust鎻愰棶鏃,鍙互鐢╪eedn't 浣滃惁瀹氬洖绛3.褰撶敤浜庝竴鑸椂,don't need 鍙互鍜宯eedn't 浜掔浉杞崲鐒惰岃繃鍘绘椂,闇瑕佺敤didn't need 浠ｆ浛 needn;t鏈涓昏鐨勫樊鍒 锛歞on't need 鍚庤窡 to do 鎴栧悕璇 needn鈥檛 鍚庡彧鑳借窡鍔ㄨ瘝鍘熷瀷鎴栬鎴戣寰椾篃寰堟贩涔 涓嶈繃...
绛旓細绛旀鏄細闇瑕鍋氭煇浜嬶紝浣嗘槸涓昏閫氬父鏄〃绀虹墿鐨勫悕璇嶆垨鑰呬唬璇嶏紝姣斿锛歠lowers need watering every day 鑺卞効闇瑕佹瘡澶╂祰姘 ☞♧鎵嬪伐缈昏瘧☀灏婇噸鍔冲姩☀娆㈣繋鎻愰棶☀鎰熻阿閲囩撼♧☜
绛旓細need鎻愬墠锛屼篃鍙互鐢ㄤ簬鍚﹀畾鍙锛屽浐瀹氭惌閰嶃傚仛瀹炰箟鍔ㄨ瘝浣跨敤鐨勬椂鍊蹇呴』甯︽湁to do锛屾剰鎬濇槸闇瑕鏌愪汉鍘诲仛鏌愪簨銆備笁銆佺煭璇惌閰 power need鏉冨姏闇瑕併乸hysical need鐢熺悊闇瑕併乻ocial need绀句細闇瑕併傚洓銆乶eed甯歌鍙ュ瀷 When you need me, just let me know.濡傛灉瑕佹垜甯繖锛屽氨鍛婅瘔鎴戝ソ浜嗐侷f you need me, give me...
绛旓細浣犺鐨勪笉瀵 need鍚庨潰涓鑸+to 浣跨敤 搴旇鏄痷 dont need to do sth鍜寀 need not to do sth needn't to do涓璶eed 鏄綋浣"can ,may,must"涓绫荤殑鎯呮佸姩璇嶄娇鐢 鑰 dont need to do涓 "need"鏄綋浣滃姩璇嶆潵鐢ㄧ殑,鍚﹀畾鏃惰+涓诲姩璇 do 姣斿 鎴戜笉闇瑕佸幓涔颁竴杈嗚溅 i needn't to buy a car for my...
绛旓細涓涓綔涓烘儏鎬佸姩璇need,鍚宑an鐨勭敤娉,鑻ュ彉鍚﹀畾鍙鍒欑洿鎺ュ姞not,鎵浠ヤ负needn't锛屽悗闈㈠姞鍔ㄨ瘝鍘熷舰锛涘彟涓涓綔涓哄姩璇峮eed,鑻ュ彉鍚﹀畾鍙ュ垯瑕鍊熷姪鍔╁姩璇峝o,鎵浠ヤ负don't need銆
绛旓細4锛嶯eed they fill in the form锛熶粬浠闇瑕濉〃鍚楋紵浜屻佸湪鍚﹀畾鍙ヤ腑锛屽彲浠ョ敤need鐨勫惁瀹氬舰寮+涓嶅畾寮忓畬鎴愪綋銆備緥濡傦細1锛嶹e needn't have worried锛庡叾瀹炴垜浠笉蹇呮媴蹇冦2锛嶻ou needn't have mentioned it锛庝綘鏈潵涓嶅繀鎻愯捣杩欎欢浜嬨3锛嶻ou needn't have said that when he asked锛庡綋浠栭棶鐨鏃跺锛屼綘鍏跺疄涓...
绛旓細need鐢ㄤ綔鍔ㄨ瘝 鎯呮佸姩璇 涓銆乶eed琛ㄧず“闇瑕”鎴“蹇呴』”锛岄氬父鐢ㄤ簬鍚﹀畾鍙ワ紝鐤戦棶鍙ワ紝鏉′欢鍙ャ備緥濡傦細Every students need do their homework.姣忎釜瀛︾敓閮介渶瑕佸仛浠栦滑鐨勫搴綔涓氥備簩銆佸湪鍚﹀畾鍙ヤ腑锛屽彲浠ョ敤need鐨勫惁瀹氬舰寮+鍔ㄨ瘝鍘熷舰銆備笁銆佸叾涓鑸枒闂彞鐨勭瓟璇紝鑲畾鐢╩ust锛鍚﹀畾鐢needn'...
绛旓細浠栦滑闇瑕濉〃鍚楋紵 浜屻佸湪鍚﹀畾鍙ヤ腑锛屽彲浠ョ敤need鐨勫惁瀹氬舰寮锛嬩笉瀹氬紡瀹屾垚浣撱備緥濡傦細 1锛嶹e needn't have worried锛庡叾瀹炴垜浠笉蹇呰鎱屻 2锛嶻ou needn't have mentioned it锛庝綘鏈潵涓嶅繀鎻愯捣杩欎欢浜嬨 3锛嶻ou needn't have said that when he asked锛庡綋浠栭棶鐨鏃跺锛屼綘鍏跺疄涓嶅繀瑕佽銆 涓...
