句型2

as if/though+主语+did/had done…好像……(表示现在或将来的情况用过去时;表示过去的情况用过去完成时)[参考句型4]

[例句]

Our head teacher treats us as if we were her own children, so all the students in our class think highly of her.

Alan talked about Rome as if he had been there. Alan谈起罗马来就好像他去过那里似的。

句型3

"wish +宾语从句"，表示不大 可能实现的愿望

表示现在的愿望：主语+过去时;

表示过去的愿望：主语+had done;

表示将来的愿望：主语+would/could do

[例句]

How I wish we students had more free time to relax ourselves! 我们学生多么希望有更多的自由时间放松自己!

I failed in the maths exam. How I wish I hadn't wasted so much time playing!

What a pity you can't go to the party. How I wish I could dance with you at the party!