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单词加ed 以及 es 的规则及发音

2011-08-02 23:37阅读:
单词加ed后的发音:
1.以清辅音结尾(不包括在词尾发音的 t d), 加了-ed,/t/.
2.以元音或浊辅音结尾的,加了-ed, /d/.
3.结尾是发音的 t d,加了-ed,
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规则动词的过去式由动词原形+-ed”构成,具体变化有:
1. 直接在词尾加-ed。如: want—wanted, work—worked, need—needed, clean—cleaned
2. 以不发音的e结尾的在词尾加-d。如:like—liked, live—lived, use—used, move—moved
3. 以一个元音字母加一个辅音字母结尾的重读闭音节动词,先双写结尾的辅音字母,再加-ed。如:stop—stopped, trip—tripped
4. 以辅音字母加y结尾的动词,先把y变成i,再加-ed。如:study—studied, carry—carried, hurry—hurried, marry—married

不规则动词的过去式见课本后的不规则动词表。大体上归纳有以下六条记忆法:
1. t结尾的词,过去式与原形相同。如:put—put, let—let, cut—cut, beat—beat
2. d结尾的词,把d变成t。如:build—built, lend—lent, send—sent, spend—spent
3. n结尾的词,在词后加t。如:mean—meant, burn—burnt, learn—learnt
4. ow / aw结尾的词,把ow / aw变成ew。如:blow—blew, draw—drew, know—knew, grow—grew
5. 含有双写字母的词,将双写改为单写,在词尾加t。如:keep—kept, sleep—slept, feel—felt, smell—smelt
6. 含有元音字母o / i的词,将o / i变成a。如:sing—sang, give—gave, sit—sat, drink—drank

规则动词词尾加-ed有三种读音:
1. 在清辅音后读作[t]。如:asked, helped, watched, stopped
2在浊辅音和元音后读作[d]。如:enjoyed, studied, moved, called
3. t / d后读作[id]。如:wanted, needed


动词原形变第三人称单数的规则与发音规律同名词单数变复数大致相同,请认真观察。
1、大多数动词在词尾加“S”在清辅音后发音为[s],在浊辅音及元音后发音为 [z]。如:
stopstops [s] ; makemakes [s]
readreads [z] ; playplays [z]
2、以辅音字母加“y”结尾的,要先将“y”变为“i”,然后在加“es”[iz] 如:
flyflies [z]carrycarries [z]
studystudies [z]; worryworries
3、以“s, x, ch, sh”结尾的,在词尾加“es”,发音为[iz] 如:
teachteaches [iz]; watchwatches [iz]
4、以“o”结尾的动词,加“es”,读[z] 如:
gogoes [z] dodoes [z]

下面几个动词变为单数时,原词的元音部分的发音发生了较大的变化,请注意记忆。 如:
1do [du:]does [dz]
2say [sei]says [sez]

以不发音字母“e”结尾的开音节词,如果尾音是[s][z]时,加“s”后字母“e”发音, 与所加“s”
一起读做[iz]如: closecloses [iz]
二、对比词形变化中原词词尾变化之异同: “y”“”现象 双写最后辅音字母现象
例词:

babybabies
carrycarries
studystudying

be动词包括:amisare。第三人称单数用 is过去式为 was;复数用are,过去式为were.


来源:百度文库http://wenku.baidu.com/view/93303ca00029bd64783e2ce1.html

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