He's made some great movies over the years 划线提问

How long has he made some great movies?
再问： Few have stranger names than thus band反意疑问句呢
再答： Few have stranger names than thus band,do they?
再问： 为什么不是have they呢
再答： have they在本句话中也可以。have做实意动词的时候，都可以用do 做反义疑问句。