need做情态动词用法
当need为情态动词时，意思是“必要”，否定为“neednt”，后面大多接动名词。1、need表示“需要”或“必须”，通常用于否定句，疑问句，条件句例句：You needn’t make two copies. One will do. 你不用打印两份。一份就够了。
2、在否定句中，可以用need的'否定形式＋不定式完成体。
3、needn't后的不定式间或也能用进行式或被动语态。
4、其一般疑问句的答语，肯定用must，否定用needn't。例句：A：Must I go there now? 我必须现在去吗?B：No, you needn’t. 不必了。
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绛旓細B锛歒es, you need.锛堟鍥炵瓟閿欒锛屽洜涓鐢ㄤ綔鎯呮佸姩璇鐨刵eed涓嶈兘鐢ㄤ簬鑲畾鍙ヤ腑锛(3) 褰撹璋堣杩囧幓鎯呭喌鏃讹紝鍏跺悗瑕佹帴鍔ㄨ瘝瀹屾垚鏃躲傚锛歒ou needn鈥檛 have come in person. 浣犲綋鏃朵笉蹇呬翰鑷潵鐨勩Need you have paid so much? 浣犲綋鏃剁湡闇浠橀偅涔堝閽卞悧?鐢ㄤ綔瀹炰箟鍔ㄨ瘝锛屾敞鎰忎互涓鐢ㄦ硶 (1) 鏃㈠彲鐢ㄤ簬鍚﹀畾鍙...
绛旓細need鐢ㄤ綔鎯呮佸姩璇鏃惰〃蹇呴』銆佸繀瑕侊紝鍚庣洿鎺ヨ窡鍔ㄨ瘝鍘熷瀷锛沶eed浣滄儏鎬佸姩璇嶆椂锛屽父鐢ㄤ簬鍚﹀畾鍙ュ拰鐤戦棶鍙ヤ腑锛沶eed浣滃疄涔夊姩璇嶏紝鏈変汉绉板拰鏁扮殑鍙樺寲銆備竴銆佷綔鎯呮佸姩璇 need浣滄儏鎬佸姩璇嶆棤浜虹О鎴栨暟鐨勫彉鍖栵紝鍚庢帴鍔ㄨ瘝鍘熷舰锛屽鐢ㄤ簬鍚﹀畾鍙ュ拰鐤戦棶鍙ヤ腑銆傜敱need寮曞嚭鐨勪竴鑸枒闂彞锛岃偗瀹氬洖绛斿父鐢╩ust鎴杊ave to锛涘惁瀹氱瓟璇父鐢╪eedn't...
绛旓細need 鍋氭儏鎬佸姩璇鏄〃鈥滈渶瑕佲濆悗闈㈣鎺ュ姩璇嶅師褰⑩樹緥濡傦細鈥渘eed i finish my homework锛熲濃渘o锛寉ou needn鈥檛鈥濆惁瀹氭槸needn鈥檛涓鑸敤鏉ュ洖绛攎ust鎴杗eed鎻愮殑闂must /need i finish my homework锛焠o 锛寉ou needn鈥檛
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绛旓細need鐢ㄤ綔鎯呮佸姩璇鏃讹紝鍚庨潰鎺ュ姩璇嶅師褰紝鍗硁eed do sth锛涗笖need鏃犱汉绉般佹暟鐨勫彉鍖栵紙绗笁浜虹О鍗曟暟涓嶅姞s锛夛紝鍚﹀畾褰㈠紡涓簄eedn' t銆need 鐢ㄤ綔鎯呮佸姩璇鏃跺父鐢ㄤ簬鍚﹀畾鍙ュ拰鐤戦棶鍙ヤ腑銆傚锛歂eed he bring his laptop tomorrow? 鏄庡ぉ浠栧繀椤诲甫浠栫殑绗旇鏈繃鏉ュ悧?娉ㄦ剰锛歮ust寮曞鐨勪竴鑸枒闂彞鐨勫惁瀹氬洖绛斿繀椤浣跨敤 needn'...
绛旓細鐢ㄤ綔鎯呮佸姩璇 We needn鈥檛 be waiting here. 鎴戜滑涓嶅繀鍦ㄨ繖閲岀瓑銆俌ou needn鈥檛 do all these exercises. 浣犱笉闇瑕佸仛鎵鏈夎繖浜涚粌涔犮Need you leave so soon? 浣犳湁蹇呰杩欎箞鏃╁氨璧板悧?鍚庢帴瀹屾垚寮忕殑鐢ㄦ硶锛氳嫢瑕佽皥璁鸿繃鍘绘儏鍐碉紝搴斿湪鍏跺悗鎺ュ姩璇嶅畬鎴愬紡銆傛鏃跺悓鏍峰彧鐢ㄤ簬鍚﹀畾鍙ユ垨鐤戦棶鍙ヤ互鍙奿f鎴杦hether涔嬪悗锛...
绛旓細He needn't have done it.(浠栨湰涓嶉渶瑕佸仛杩欎欢浜嬨)瑙ｆ瀽锛氬彞瀛愪富骞茬粨鏋勪负鈥滀富璋撳鈥濓紝鍏朵腑 needn't have done 涓衡滆皳璇姩璇嶁浣跨敤鈥鎯呮佸姩璇 need + 瀹屾垚寮忊濈粨鏋勶紝琛ㄧず鈥滄湰涓嶉渶瑕佸仛浣嗗仛浜嗏濈殑鐢ㄦ硶銆need 浣滀负鈥滃悕璇嶁濓紝鈥滃彲鏁板悕璇嶁濋氬父鎰忎负銆愰渶瑕侊紱蹇呰锛涢渶瑕佺墿锛屽繀闇鍝併戯紝鈥滀笉鍙暟鍚嶈瘝鈥濋氬父...
绛旓細need濡備綍鍖哄垎鎯呮佸姩璇嶅拰鍔ㄨ瘝鏂规硶濡備笅锛1銆佹惌閰嶏細need鍋氭儏鎬佸姩璇鏃朵笌甯歌鎯呮佸姩璇峜an鐨鐢ㄦ硶涓鑷达紝鍚庨潰璺熷姩璇嶅師褰紱need鍋氬姩璇嶆椂鍚庨潰鍙互璺焧o do 銆乨oing銆乼o be done绛夈2銆佹椂鎬侊細need涓烘儏鎬佸姩璇嶆椂娌℃湁鏃舵佸彉鍖栵紝涓嶈兘鍗曠嫭浣跨敤锛沶eed涓哄姩璇嶆椂鏈夌涓変汉绉板崟鏁般佽繃鍘诲紡绛夋椂鎬佸彉鍖栥
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