应该是关于主谓的.急

问题描述:

应该是关于主谓的.急
Enough material should be collected previous to writing.这句话有没有语法问题?我觉得不是应该说We sh.ould collect enough material previous to writing吗?
writing的主语不是人吗…

Enough material should be collected previous to writing.这句话有没有语法问题?我觉得不是应该说We sh.ould collect enough material previous to writing吗?writing的主语不是人吗…Enough material should be c...