规则动词的过去式变化规则:
1、一般情况下,动词词尾加 -ed ,如:
work ---worked wanted----wanted watch----watched
2、以不发音的 -e 结尾动词,动词词尾加 -d,如:
live---lived like---liked dance---danced
3、以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,如:
study---studied copy---copied carry---carried
以元音字母+y结尾的动词,直接加ed
play---played
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:
stop ---stopped
过去式“-ed”的发音规则
(1)动词词尾为“t,d”时,发/ id /音,
want ---wanted need ---needed plant---planted
point---pointed visit---visited shout---shouted
(2)动词词尾为清辅音时,发/ t / 音。
help ---helped laugh ---laughed look ---looked
wash ---washed watch ---watched like---liked
(3)动词词尾为t,d以外之浊辅音或元音时,发/ d /音。
call ---called play---played try---tried
|
|