助动词()作用 助动词do的作用？
\u52a9\u52a8\u8bcd\u8d77\u5230\u4e86\u4ec0\u4e48\u4f5c\u7528\uff1f\u52a9\u52a8\u8bcd
do \u52a9\u52a8\u8bcd\u67095\u4e2a\u529f\u80fd \uff1a\u5f3a\u8c03\uff0c\u5426\u5b9a\uff0c\u6784\u6210\u4e8b\u6001\uff0c\u8bed\u6001\uff0c\u7591\u95ee\u3002
\u5f3a\u8c03\uff1bhe does do it
\u5426\u5b9a:he doesnot do it
\u7591\u95ee: does he do it
\u8bed\u6001:the work has been finished
\u4e8b\u6001\uff1ahe has gone to school
\u5168\u662f\u7b80\u5355\u4f8b\u53e5\uff0c\u4e3a\u4e86\u8ba9\u4f60\u66f4\u660e\u767d
1、表示时态，例如：
①He is singing.
他在唱歌。
②He has got married.
他已结婚。
2、表示语态，例如：
He was sent to England.
他被派往英国。
3、构成疑问句，例如：
Did you study English before you came here?
你来这儿之前学过英语吗？
4、与否定副词not合用，构成否定句，例如：
I don't like him.
我不喜欢他。
5、加强语气，例如：
①Do come to the party tomorrow evening.
明天晚上一定来参加晚会。
②He did know that.
他的确知道那件事。
最常用的助动词有：be, have, do, shall, will, should, would
助动词
助动词四哥帮助主要动词构成时态、语态、疑问句、否定句。
绛旓細鍩烘湰鍔╁姩璇 鍩烘湰鍔╁姩璇 鍩烘湰鍔╁姩璇嶅彧鏈変笁涓細be,do,have,浠栦滑娌℃湁璇嶆眹鎰忎箟,鍙湁璇硶浣滅敤,濡傚崗鍔╂瀯鎴愯繘琛屼綋,瀹屾垚浣,琚姩鎬,鍚﹀畾鍙,鐤戦棶鍙ョ瓑.渚嬪 He is giving a lecture.浠栧湪浣滄姤鍛奌e has made a plan.浠栧凡缁忚浜嗚鍒扵he small animals are kept in the cages.灏忓姩鐗╅兘鍏冲湪绗煎瓙閲.He doesn't...
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绛旓細鍔╁姩璇鏈夛細be锛 have/has锛 do/does/did 锛 shall锛 should锛 will锛 would绛夈傚熀鏈姪鍔ㄨ瘝鍙湁涓変釜锛歜e锛 do锛 have锛 瀹冧滑娌℃湁璇嶆眹鎰忎箟锛屽彧鏈夎娉浣滅敤锛屽鍗忓姪鏋勬垚杩涜浣擄紝瀹屾垚浣擄紝琚姩鎬侊紝鍚﹀畾鍙ワ紝鐤戦棶鍙ョ瓑銆 渚嬪锛1銆丠e is giving a lecture. 浠栧湪浣滄姤鍛娿2銆丠e has made a plan. 浠...
绛旓細鍔╁姩璇嶆槸鍗忓姪涓昏鍔ㄨ瘝鏋勬垚璋撹鐨勮瘝鍙鍔╁姩璇嶏紙Auxiliary Verb锛夛紝涔熷彨杈呭姪鍔ㄨ瘝銆傝鍗忓姪鐨勫姩璇嶇О浣滀富瑕佸姩璇嶏紙Main Verb锛夛紝鍔╁姩璇嶇敤鏉ユ瀯鎴愭椂鎬佸拰璇併傚姪鍔ㄨ瘝鍏锋湁璇硶鎰忎箟锛屼絾闄ゆ儏鎬佸姪鍔ㄨ瘝澶栨病鏈夎瘝姹囨剰涔夛紝涓嶅彲鍗曠嫭浣滆皳璇傚畠娌℃湁瀵瑰簲鐨勬眽璇戯紝渚嬪锛 He doesn't like English. 浠栦笉鍠滄鑻辫銆傦紙does鏄姪...
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