look forward to 的用法是什么?是I'm look forward to doing 还是I look forward to dong 是He is look forward to doing 还是he look forward to doing 要随人称变化而变化吗?加不加s?

look forward to 的用法 look forward to的用法? look forward to 的用法 they look forward to watching the match.watching为什么要加ing?是look forward to 的固定用法吗? look forward 用法的区别look forward to do 与look forward to doing 的区别是什么,突然想不起来了. 还是不懂,look forward to do和 look forward to doing用法的区别 look forward to 的意思是? look forward to 的用法是什么?是I'm look forward to doing 还是I look forward to dong 是He is look forward to doing 还是he look forward to doing 要随人称变化而变化吗?加不加s? look forward to 什么意思?什么用法? look forward to和look forward to doing的区别 look forward to 的意思 求一个关于look forward to的详细用法和相关用法的例子, 急求look forward 与look forward to 的区别 look forward to ,intend to ,want to用法区别 hope,wish,expect和look forward to的用法区别不需要太钻牛角尖的.复制不要! 区别一下这几个英语单词的用法wait for ,await ,expect ,look forward to 英语 (24 18:50:14)look forward to的解释及用法(英文) 有没有 be going to +动名词的用法?有没有 look forward to+动词原型的用法?