应写：yes,i do.I often play football.错写:yes i do.I often playing football.错误原因：o
问题描述：
应写：yes,i do.I often play football.错写:yes i do.I often playing football.错误原因：o
答
原因：英语句子要求要有谓语动词,而错写的句子中没有谓语动词,只有playing,注意：现在分词doing是不能直接作谓语的,故错误.而应写的句子中有谓语动词play.