为什么这题要用was to have，以及be to do 的用法
She (have) her high school entrance exam in a week，Why can't she has her high school entrance exam in a week

Question

为什么这题要用was to have，以及be to do 的用法
She      (have) her high school entrance exam in a week，Why can't she has her high school  entrance exam in a week

Answer

be to do
这种结构表达的是一种按计划，打算将要去做的事，按书上的解释是：

可表示将来要做的事，这个动作是为人所控制的。在正式文体中还用来表示命令、规定、通知或注意事项。

Answer

Thanks!But my English teacher must write it like this, so I don't know what the grammar is

Answer

Hi! You can just use the Present Simple tense and say "She has an exam..." because it means "She is scheduled to do this"