谁给分析一下这句英文倒装句的结构

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/05/01 16:20:54

谁给分析一下这句英文倒装句的结构
because at no previous time has American security been as seriously threatened from without as it is today.
来自 Roosevelt 1941年的国会演讲

at no previous time 属于否定词提到句首,采取部分倒装,正常语序为:because American security has been as seriously threatened from without at no previous time as it is today.

谁给分析一下这句英文倒装句的结构请分析一下这句倒装句的结构帮忙分析一下下面这句英文句子的结构英文的倒装句现在在学英语的倒装句,感觉很混乱.谁能给些提示总结一下倒装句的用法吗?另外再问几条倒装句的问题1.if i 谁给讲一下英语倒装句的用法分析一下此句英文句子的语法结构分析一下此句英文的语法结构谁能分析一下这句英语的结构分析这句英文的语法结构! 帮忙分析这句的部分倒装, 精通英语的帮我仔细分析一下这句英文的句子结构和语法! 请高手来分析一下这句英文口语的结构!