He often goes to school by bus改为否定句
问题描述：
He often goes to school by bus改为否定句
答
看你是需要哪种否定了.
如果是彻底的否定那就应该是
He never goes to school by bus.
（他从不坐公交车上学.）
如果是不完全否定那就应该是
He does not often goes to school by bus.
（他不常做公交车上学.）