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什么样的英语单词在现在分词和过去时时需要双写尾字母

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什么样的英语单词在现在分词和过去时时需要双写尾字母


        

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    2018-08-08 01:49:55
  •   动词现在分词由动词原形在词尾加ing构成,其规则如下:  构成规则  一般情况下直接加ing  think---thinking  sleep---sleeping  study---studying  speak---speaking  say---saying  carry---carrying  wake---waking  以不发音的字母e结尾的单词,去掉字母e,再加ing  come---coming  make---making  leave---leaving  have---having  take---taking  以重读闭音节结尾,呈现 “辅,元,辅”结构的动词,先双写末尾的辅音字母,再加ing  stop---stopping  sit---sitting  run---running  forget---forgetting  begin---beginning  以ie结尾的动词,把ie改为y ,再加ing  die---dying  lie---lying  以重读闭音节结尾,呈现“辅,元,辅”结构的动词,先双写末尾的辅音字母,再加ing 。
      这类词有:bigin,cut, get,hit, run, set, sit, spit, stop, swim, beg, drop, fit, nod, dig,forget, regret, rid, 等。 travel虽然重读第一音节,词尾音节不重读,但是现在分词仍要双写末尾辅音字母,然后再加ing,如:travel---travelling。
       A.动词的过去分词构成 动词的-ed形式只有一种形式,即传统语法中的过去分词。绝大部分的动词的-ed形式由动词原形加-ed构成,也有一些动词的-ed形式是不规则的。 1. 规则动词的-ed形式 limit→limited(限制) pretend→pretended(假装) escape→escaped(逃脱) provide→provided(提供) refer→referred(提交) drag→dragged(拖) pray→prayed(祈祷) supply→supplied(供应) 2。
      不规则的: 1)AAA型(动词原形、过去式、过去分词同形) cost(花费) cost cost cut(割) cut cut hit(打) hit hit hurt 伤害) hurt hurt let(让) let let put(放) put put read (读) read read (2) AAB型(动词原形与过去式同形) beat(跳动) beat beaten (3) ABA型(动词原形与过去分词同形) become(变成) became become come(来) came come run(跑) ran run (4) ABB型(过去式与过去分词同形) dig(挖) dug dug get(得到) got got hang(吊死) hanged hanged hang(悬挂) hung hung hold(抓住) held held shine(照耀) shone shone sit(坐) sat sat win (赢) won won meet(遇见) met met keep (保持) kept kept sleep(睡) slept slept sweep(扫) swept swept feel(感觉) felt felt smell(闻) smelt smelt leave(离开) left left build(建设) built built lend(借出) lent lent send (传送) sent sent spend(花费) spent spent lose (丢失) lost lost burn (燃烧) burnt burnt learn(学习) learnt learnt mean(意思是) meant meant catch(抓住) caught caught teach(教) taught taught bring(带来) brought brought fight (战斗) fought fought buy(买) bought bought think(想) thought thought hear (听见) heard heard sell(卖) sold sold tell(告诉) told told say(说) said said find(找到) found found have/has(有) had had make(制造) made made stand(站) stood stood understand明白 understood understood (5) ABC型(动词原形、过去式与过去分词三者不同形) begin(开始) began begun drink(喝) drank drunk ring(铃响) rang rung sing (唱) sang sung swim(游泳) swam swum blow(吹) blew blown draw(画) drew drawn fly(飞) flew flown grow(生长) grew grown know(知道) knew known throw(投掷) threw thrown show(出示) showed shown break(打破) broke broken choose(选择) chose chosen forget(忘记) forgot forgotten (forgot) speak(说,讲) spoke spoken wake(醒) woke woke drive(驾驶) drove driven eat(吃) ate eaten fall(落下) fell fallen give(给) gave given rise(升高) rose risen take(取) took taken mistake(弄错) mistook mistaken ride(骑) rode ridden write(写) wrote written do(做) did done go(去) went gone lie(平躺) lay lain see(看见) saw seen wear(穿) wore worn be ( am, is, are )(是) was, were been 看烦了吧```这么多。
      。。 英语就是这样。。 呵。。。多问是最好的诀窍。。 祝你成功。

    张***

    2018-08-08 01:49:55

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