lookforwardto后面加什么詞性

　　I look forward to hearing from you.

　　盼望著收到你的信。

　　We look forward to seeing Mrs Brown and your good self this evening.

　　我們期盼今晚能見到布朗夫人和您本人。

　　I now look forward to going back to work as soon as possible

　　我現在渴望盡早回到工作崗位。

　　Life is not worth living without food you can look forward to and enjoy!

　　如果沒有美食可以讓人期待和享受，那人生還有什么意思！

　　We look forward to strengthening still further our already close co-operation with the police service

　　我們期盼著進一步加強和警方的合作，形成更加緊密的合作關系。