1.It\'s+形容词+of+sb.+动词不定式\"某人（做某事）……\",说明\"人\"的性质或特征。 　　常用形容词有：good,kind,nice,polite, clever, foolish, lazy, careful, careless, right, wrong等 　　It\'s very kind of you to help me. 　　It\'s foolish of you to m