'谢谢分享'是thanks for sharing or thanks for share?can we use ing form without 'be'

问题描述:

'谢谢分享'是thanks for sharing or thanks for share?can we use ing form without 'be'
文法上正确的是那一句

thanks for sharing
因为:thank for doing sth.
doing是动名词,不是现在分词(所以不用带be)