problem solved的英语语法?

problem solved的英语语法? Problem solved.这句话的语法结构是怎么样的 这个句子this problem is hard to be solved.this problem is hard to be solved.this problem is hard to solve.是不是两个都是正确的呢? Problem solved.是个省略句吗?为什么这样用是正确的?solved是被动态还是分词形式? they insist on solved problem.为什么是solved 这句话的practically是什么意思?She solved the problem very practically 求高三英语语法题一道!急The problem can be solved without much difficulty , -----it is complicated.A.even B.if C.however D.thoughAD有什么区别么 Has the problem been solved ? Is the problem solved ? 这两句有什么区别 第二句对不对? in the end they solved the problem [ ] [ ],they solved the problem with the problem has solved可以吗还是with the problem solved The scientists finally solved this problem after many years of hard workAfter many years of hard work ,the scientists solved this problem（）（）（）怎么改成下面的形式 The problem is easy to solve.为什么用to solveThe problem is easy （to solve）.这句话里用的是to solve,为什么不能用to be solved或者直接用solved? 求助,高人帮我分析一下这个英语句子的语法结构! The problem is difficult to be solved “with the problem solved”这被动语态为什么不在solved前面加was? 翻译It is high time that we solved the problem These ___(problem) are difficult to be solved(解决). People have solved the problem?变被动语态 People have solved the problem?变被动语态