一、that从句要用虚拟语气只包括以下四种：
1.wish that：但愿...
I wish I were [was] a bird.但愿我能变成一只鸟.
2.It is time that：早该...
It is high time that you got up.你早该起床了.
3.'d rather that 宁可希望...
I should rather that my daughter attended a public school.我希望我的女儿能上公立学校.
4.had better that 但愿最好...
I had better that you would go before the storm becomes worse.但愿你最好在暴风雨更大之前就走.
二、hope that 不包括在上述范畴,不能用虚拟.