would rather he did/would prefer he (should) do

would rather 引出的从句中谓语动词要使用过去虚拟式；而 would prefer 引出的从句中谓语动词要使用现在虚拟式(be)或 should + 动词原形。

1. I would rather you knew that now, than afterwards. (Cronin) 我宁愿你现在知道这件事，而不是以后。

2. I'd rather you didn't mention the price. (CGEL) 我宁愿你不要提价格的事。

3. We'd rather we had dinner now. (CGEL) 我宁愿我们现在就吃饭。

4. Would you prefer that I come on Monday instead of on Tuesday? (LDCE) 你是不是宁愿我星期一来而不是星期二来?

5. She preferred that he should do it in the kitchen. (Maugham) 她宁愿他在厨房做这件事。