would rather +从句（从句要用虚拟语气,即从句中谓语动词用一般过去式,表示现在或将来的愿望；从句中谓语动词用过去完成时,表示对过去的愿望）
1).I’d rather you posted the letter right now.我想让你现在就把信寄出去.
2).---A friend of yours will come to see you today.你的一位朋友今天要来看你.
--- I’d rather he came here tomorrow.我倒情愿他明天来.
3).I’d rather you were not a celebrated actor.In that case,we could spend more time together.我倒情愿你不是什么名演员,这样我们可以有更多的时间在一起.
4).I’d rather I hadn’t seen her yesterday.我情愿昨天没见到她.