were to
问题描述：
were to
答
be to do 的基本意思是 要做（某事）,将要做（某事）,想要做（某事）,打算要做（某事）
were to do 就是过去时,即（在过去的某个时刻）要做（某事）,将要做（某事）,想要做（某事）,打算要做（某事）,有过去将来时意味
如：They were to call the police right before my friend drove me home.