请分析这句英文语法布莱里奥从1905年起便开始研制飞机Bleriot had been making planes si

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/21 09:23:16

请分析这句英文语法
布莱里奥从1905年起便开始研制飞机
Bleriot had been making planes since 1905
为什么不是Bleriot had made planes since 1905

第一个句子是过去完成进行时,表示在过去的一段时间里一直在做某事,强调动作的持续性,而第二句是过去完成时,则没有这个用法,所以应该用第一个句子.

请分析这句英文语法布莱里奥从1905年起便开始研制飞机Bleriot had been making planes si 几句英语句子对比!1 He had been making planes since 1905 and this was 请分析这句英语的语法The cave might never have been discovered had not It had been a very strange morning.这句话怎么分析?从语法句法角度请帮忙分析下面这句英文的语法, 请帮忙分析这句英文的语法结构, 请答题者先从语法正确与否开始分析对错,然后才是句意是否搭配! 英文,这句话语法对吗?不对求改造this year had been destined would have been 分析这句英文的语法结构! 求分析这句英文的语法. 请分析一个英文句子,从语法角度, 请分析此句英文的语法结构