关于英语修饰词方面的疑问 e.g.//We are all well and looking forward to se

关于英语修饰词方面的疑问 e.g.//We are all well and looking forward to seeing you get home safe.
We are all well and looking forward to seeing you get home safe.
我想问的是句尾为什么用safe.而不是safety
safe.不是形容词么,那在例句里怎么还修饰了动词呢!