should have 是什么语法?

should have 是什么语法? I never should have said anything 是什么语法 More car pools should be formed in order to have fewer cars on the road and to use less gasoline.请解释此句语法结构请解释should be 是什么语法结构,为什么句子用should be 结构 More car pools should be formed in order to have fewer cars on the road and to use less gasoline.请解释should be 是什么语法结构,为什么句子用should be 结构 should've have done.'ve是什么? will have been sold out 是什么语法 have someone do something是什么语法 Should you have any question,please feel free to let me know .用的什么语法? 分析语法it is a pity that he should have to leave . Linda ,you should have greeted us at the door.语法对吗 We booked rooms at the hotel lest we should find no vacancies on our arrival.这should是什么语法这边的should用了哪一条语法? You should have asked what present～,have asked 听起来很变扭,have 是什么词?,asked是什么词 问个初级英语问题 if he had worked harder,he______A would succeed B had succeeded C should succeed D would have succeeded 为什么选D 这是什么语法现象 We should have been so down well的中文翻译是什么 What should we have dinner?它的答句是什么 should have done这个句型有吗好像是什么虚拟 A person should have sence of shame中文意思是什么 语法好的请进,判断几个从句we all know what the poor man should have said,but waht he actually said was:……逗号前后的两个句子各是什么从句we all know the words which the poor man should have said,but the words which he actu