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hit延续性

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解决时间 2021-03-02 06:23
  • 提问者网友:感性作祟
  • 2021-03-01 15:46
hit延续性
最佳答案
  • 五星知识达人网友:七十二街
  • 2021-03-01 16:13
现在完成时表示到说话时为止(或到现在为止)已经发生或完成了(不一定结束)的动作或状态。 [编辑本段]句型 基本结构:主语+have/has+过去分词(done) ①肯定句:主语+have/has+过去分词+其他 ②否定句:主语+have/has+not+过去分词+其他 ③一般疑问句:Have/Has+主语+过去分词+其他 ④特殊疑问句:特殊疑问词+一般疑问句 [编辑本段]过去分词 1 、规则动词:规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同。四点变化规则: (1)、一般动词,在词尾直接加“ ed ”。 work---worked---worked ,visit---visited---visited (2)、以“ e ”结尾的动词,只在词尾加“ d ”。 lived---lived---lived , (3)、以“辅音字母 + y ”结尾的动词,将 "y" 变为 "i" ,再加“ ed ”。 study---studied---studied ,cry---cried---cried , play---played---played ,stay---stayed---stayed (4)、重读闭音节结尾,末尾只有一个辅音字母,先双写该辅音字母,再加“ ed ”。 stop---stopped---stopped , drop---dropped--dropped 2 、不规则动词: AAA型 原型 过去式 过去分词 burst burst burst cast cast cast cost cost cost cut cut cut hit hit hit hurt hurt hurt put put put set set set shut shut shut spread spread spread let let let AAB型 beat beat beaten ABA型 become became become run ran run come came come 特殊情况 read read read read原形发音为/ri:d/,过去式和过去分词发音为/red/ ABB型 bring brought brought buy bought bought build built built burn burnt burnt catch caught caught dig dug dug feel felt felt fight fought fought find found found hear heard heard hold held held keep kept kept lay laid laid lead led led lose lost lost make made made meet met met sell sold sold shoot shot shot sit sat sat stand stood stood sweep swept swept teach taught taught tell told told think thought thought win won won ABC型 begin began begun blow blew blown break broke broken choose chose chosen draw drew drawn drive drove driven drink drank drunk fly flew flown forgive forgave forgiven forget forgot forgotten freeze froze frozen give gave given grow grew grown know knew known ride rode ridden rise rose risen ring rang rung shake shook shaken
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