If he had a headache,he__ (ask ) his mother to take him to the doctor during the school hours

问题描述:

If he had a headache,he__ (ask ) his mother to take him to the doctor during the school hours
填哪种形式?最好有说明

If he had a headache,he (would ask ) his mother to take him to the doctor during the school hours.
这是一个虚拟语气的句子.