looking forward to后的动词加ing吗?

looking forward to后的动词加ing吗? look forward to doing和looking forward to dolook forward to doing和looking forward to do的区别 looking forward to构成的短语是什么? is looking forward to doing的中文 Looking forward to your looking forward to your Looking forward to your ,what I am looking forward to is nothing else but_后加动词的什么形式/ 一个比较弱智的问题是looking forward to your answer 还是looking forward for you answer Looking forward to your reply. LOOKING FORWARD TO YOU AGAIN looking forward to the day Looking forward to the final looking forward to receiving your letter.句子成分looking forward to receiving your letter.句子成分 与 动词的形式 The day he had been looking forward to came at last.老师说he had been looking forward to作which的宾语.这里的which 是在to后吗,这样which不就作主语了,为什么可以省略? I will be looking forward to it! I'm looking forward to tomorrow i am looking forward to什么意思