以一个元音字母加一个辅音字母结尾的重读闭音节动词,要先双写最后一个辅音字母在加-ed.
Stop—stopped drop—dropped Plan---planned
以辅音字母加y结尾的动词要变y为i再加-ed.
Study—studied
carry---carried
Try---tried cry---cried
以一个元音字母加一个辅音字母结尾的重读闭音节动词,要先双写最后一个辅音字母在加-ed.
Stop—stopped drop—dropped Plan---planned
以辅音字母加y结尾的动词要变y为i再加-ed.
Study—studied
carry---carried
Try---tried cry---cried