My father is car work yesterday I go to school by bus.选didn't/have to ,doesn't must,didn't to原因

问题描述:

My father is car work yesterday I go to school by bus.选didn't/have to ,doesn't must,didn't to原因

由yesterday 可知本句为一般过去式

My father is car didn't work yesterday I go to school by bus.
过去式而已。

想叙述的意思是 昨天爸爸没有开车 所以didn't所以(今天)你不得不have to 坐公交上学