My brother doesn't well in PE.怎么改错?

My brother doesn't do well in PE 正确
一般现在时当主语是第三人称单数,否定结构：doesn't + 动词原形
而 do well in 固定搭配“ 在..方面做得好”
不明白的再问哟,请及时采纳,多谢!