How long are you com to china?这个句子有语法错误吗?英语翻译

问题描述:

How long are you com to china?这个句子有语法错误吗?英语翻译

问你来中国多久了,应该用现在完成时
Hoe long have you been in China?
问多久来一次,应该是Hoe often do you come to China?