动词不定式I give the dog a bone to eat。为什么是to eat 不是to b...答:(3)表示程度: She is too tired to walk any farther. She is strong enough to carry the heavy box.(4)表示原因: I was surprised to read the news.能带不定式作状语的形容词有: glad , happy , pleased , angry , clever , careful , surprised , lucky ,ready ,sorry, amazed , ...