This exercise had to be carried out in three months. This was COMPELLED to complete. Did not meet deadline if you put …
So you have to find another way of expressing that sense—another word or phrase. It might be BE asked or BE supposed, as in your …
第一个 had 是过去完成时 的助动词——过去完成时的标志；第二个 had 是用作实义动词 —— have 的过去分词 ，于是，两个就构成了过去完成时 …
Difference between "had to be, and "had to have been"? Ask Question. Asked 5 years, 9 months ago. Modified 5 years, 9 months ago. …
语法是工具，关注以备查！. 1、虚拟语气唯一的判断标准：是否与事实相反。. 通过下面实例对比体会一下：. If you worked hard, you would get a …
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