雅思英语中仍然保留的曲折变化有：所有格：He is Fred's best friend. -'s动词的第三人称单数：Alfredo works. -s过去时：Fred worked. -ed ，但亦有不规则变化。现在分词/进行时态：Fred is working. -ing（如果动词的末音节为辅音结尾的闭音节，则须双写末辅音，如running）过去分词：The car was stolen. -
