you look younger than before 中的句子成分

you look younger than before 中的句子成分 you look younger than before 中的than before you look younger than before? you look younger than before.中look是什么语 you look younger than before该句中的"than before"在句中做什么成分?修饰谁的? you look younger than you really are you look weeks younger than that. you look much younger than i do. You look much ____ than before.(healthy) you are younger than Look before you leap怎么划分主谓宾的句子成分 I am younger than you .