Unit 4,What can you do,Introduce,Can you sing a song,Words,sing s 作动词，意为“唱，唱歌,eg: I knew I could sing. 我知道我唱歌很好,小练习： I _ the song. A.Sing B. Sings,A. 第一人称后动词用原型,A,Words,song s 作名词，意为“歌曲,eg: Music and play another song. 音乐和播放另一首歌曲,小练习： Please sing the _（歌曲,song,Words,常用例句： They yell and dance too. 他们还欢呼、跳舞,小练习： They like_. A.dance B. dances C. dancing C. Like后面跟名词，这里dancing当作动名词用,C,dance 动词，意为“跳舞,Translations,Miss White: Well have an English party next Tuesday! What ca
