B. 表示“應該”、“應當”、“必須” (可表示命令) : You are not to smoke in this room. 你不可在這房間裡抽煙。. The form is to be filled in and returned within …
一、过去不定时态的思维简介. 所谓的“过去不定时态”，“时”是“过去”，“态”是“不定”。. “过去时”结合“不定态”就是“过去不定时态”。. 过去不定时态的时空作用 …
关于Be To Do的用法. 在英语里，“be to do”这个结构有两种语法意义：其一是连系动词be+动词不定式做表语，其二是be to是一个独立词汇单位,具有情态含义,可 …
was to do= was going to do. 一个过去将来时+强调句句型：. It was the harmonious blending of all of these elements that was to produce the …
If you are speaking before the time of his being expected home, you would say: He is to be home by 9.00pm. If I am reporting to someone that I …
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