语法检查 have done sth.than sb.have ever beenIn the 20th century,human beings created the most material and cultural resources than they have ever been.这话有木有语法错误呀?

get sth done /shuold have sth done have sth done意思 have sth done have sth.done have sth done 有没有can have done sth?could have done sth有两种意思吗?can't/couldn't have done sth意思又是什么能不能举几个例子? 语法检查 have done sth.than sb.have ever beenIn the 20th century,human beings created the most material and cultural resources than they have ever been.这话有木有语法错误呀? get sth done&have sth doneget sth done和have sth done有什么区别? have sth.done的中文翻译 have sth done怎么翻译 have sb./sth.的do,done,doing,to do 的区别?讲下语法点. 请问有这样的语法吗 have always doing sth.请问have always doing sth.和have always done sth.有什么区别呢 sth.done 和 have sth.done 的意思和区别! have sth.done 和 get sth.done 有什麼区别吗 would have done和虚拟语气有关 would have sth是个什么语法概念?would have done和虚拟语气有关那would have sth是个什么语法概念？为什么要加would have sth to be done/have sth done?为什么要用have anyting to be done? have been done 语法呢 needn't have done造句needn't have doneshould have doneremide sb to do sth造一个句子,有翻译