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英语中的比较级和过去式到底该怎么改

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解决时间 2021-04-28 16:46
  • 提问者网友:江鱼
  • 2021-04-28 00:36
英语中的比较级和过去式到底该怎么改
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  • 二级知识专家网友:安稳不如野
  • 2021-04-28 01:36
比较级的构成规则 1.一般单音节词和少数以-er,-ow结尾的双音节词,比较级在后面加-er,最高级在后面加-est; (1)单音节词 如:small→smaller→smallest short→shorter→shortest tall→taller→tallest great→greater→greatest (2)双音节词 如:clever→cleverer→cleverest narrow→narrower→narrowest 2.以不发音e结尾的单音节词,比较在原级后加-r,最高级在原级后加-st; 如:large→larger→largest nice→nicer→nicest able→abler→ablest 3.在重读闭音节(即:辅音+元音+辅音)中,先双写末尾的辅音字母,比较级加-er,最高级加-est; 如:big→bigger→biggest hot→hotter→hottest fat→fatter→fattest 4.以“辅音字母+y”结尾的双音节词, 把y改为i,比较级加-er,最高级加-est; 如:easy→easier→easiest heavy→heavier→heaviest busy→busier→busiest happy→happier→happiest 5.其他双音节词和多音节词,比较级在前面加more,最高级在前面加most; 如:beautiful→more beautiful→most beautiful different→more different→most different easily→more easily→most easily 注意:(1)形容词最高级前通常必须用定冠词 the,副词最高级前可不用。 例句: The Sahara is the biggest desert in the world. (2) 形容词most前面没有the,不表示最高级的含义,只表示"非常"。 It is a most important problem. =It is a very important problem. 6.有少数形容词、副词的比较级和最高级是不规则的,必须熟记。 如:good→better→best well→better→best bad→worse→worst ill→worse→worst old→older/elder→oldest/eldest many/much→more→most little→less→least far →further/farther→ furthest/farthest 过去式的构成规则 表示一般过去式的动词通常用动词的过去式形式来表示,而动词的过去式是在动词原形的基础上变化的。动词的过去式可分为规则动词和不规则动词。规则动词的过去式变化如下: (1)一般情况下,动词词尾加 -ed ,如: worked played wanted acted (2)以不发音的 -e 结尾动词,动词词尾加 -d,如: lived moved decided declined hoped judged raised wiped (3)以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,如: studied tried copied justified cried carried embodied emptied (4)以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加 -ed,如: stopped begged fretted dragged dropped planned dotted dripped (5)注:不规则动词的过去式变化规律性不强,须多加记忆。
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  • 1楼网友:24K纯糖
  • 2021-04-28 01:59

比较级的构成规则  1.一般单音节词和少数以-er,-ow结尾的双音节词,比较级在后面加-er,最高级在后面加-est;   (1)单音节词   如:small→smaller→smallest short→shorter→shortest   tall→taller→tallest great→greater→greatest   (2)双音节词   如:clever→cleverer→cleverest narrow→narrower→narrowest   2.以不发音e结尾的单音节词,比较在原级后加-r,最高级在原级后加-st;   如:large→larger→largest nice→nicer→nicest able→abler→ablest   3.在重读闭音节(即:辅音+元音+辅音)中,先双写末尾的辅音字母,比较级加-er,最高级加-est;   如:big→bigger→biggest hot→hotter→hottest fat→fatter→fattest   4.以“辅音字母+y”结尾的双音节词, 把y改为i,比较级加-er,最高级加-est;   如:easy→easier→easiest heavy→heavier→heaviest   busy→busier→busiest happy→happier→happiest   5.其他双音节词和多音节词,比较级在前面加more,最高级在前面加most;   如:beautiful→more beautiful→most beautiful   different→more different→most different   easily→more easily→most easily   注意:(1)形容词最高级前通常必须用定冠词 the,副词最高级前可不用。   例句: the sahara is the biggest desert in the world.   (2) 形容词most前面没有the,不表示最高级的含义,只表示"非常"。   it is a most important problem.   =it is a very important problem.   6.有少数形容词、副词的比较级和最高级是不规则的,必须熟记。   如:good→better→best well→better→best   bad→worse→worst ill→worse→worst   old→older/elder→oldest/eldest   many/much→more→most little→less→least   

far →further/farther→ furthest/farthest

过去式的构成规则  表示一般过去式的动词通常用动词的过去式形式来表示,而动词的过去式是在动词原形的基础上变化的。动词的过去式可分为规则动词和不规则动词。规则动词的过去式变化如下:

  (1)一般情况下,动词词尾加 -ed ,如:

  worked played wanted acted

  (2)以不发音的 -e 结尾动词,动词词尾加 -d,如:

  lived moved decided declined hoped judged raised wiped

  (3)以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,如:

  studied tried copied justified cried carried embodied emptied

  (4)以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加 -ed,如:

  stopped begged fretted dragged dropped planned dotted dripped

  (5)注:不规则动词的过去式变化规律性不强,须多加记忆。

  go - went,make - made,get - got ,buy - bought ,come - came ,fly-flew ,is/am-was,are-were ,see-saw ,bring-brought,do-did,teach-taught, think-thought, say-said,sit-sat. read-read, spend-spent, eat-ate,give-gave,sit-sat,tell-told,write-wrote,fell-felt,find-found,hear-heard,know-knew,

  put-put,grow-grew,take,took,catch-caught,come-camebecome-became,swim-swam

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