英语单词三单形式的单词汇总

单三：⑴直接加s，例：run-runs，draw-draws，see-sees
⑵在s，x，sh，ch等后加es，例：wash-washes，watch-watches，dress-dresses
⑶在y结尾的单词后：①y前是元音字母，直接加s ，例：buy-buys，enjoy-enjoys
②y前是辅音字母，变y为i加es，例：fly-flies，try-tries，study-studies