英语语法题不懂怎么做?

问题描述:

英语语法题不懂怎么做?
the old woman said that she ___(not)do anything of the sort.
翻译.答案是was not to .为什么?

答案是 对的.
用来固定短语:be to do sth 打算做某事
the old woman said that she 【was not to 】do anything of the sort
主句动词 said 是过去式,be 也用过去式 was .