Lesson 42 主语+谓语+so/such+形容词/副词+as to do
句型“主语+谓语+so/such+形容词/副词+as to do”中，“as to do”引导结果状语。“so as to do”可以是不定式的完成式、被动式或否定式。
征服句型
●Your son is so unfortunate as to join so many interest classes.
你儿子真不幸，要参加这么多的兴趣班。
●That old woman was so angry as to shake.
那个老妇人气得发抖。
●It is so hot as not to move any more.
太热了，一点都不想动。
●Mount Huang is so beautiful as to attract thousands of tourists.
黄山的景色太美了，吸引了成千上万的游客。
●His voice is so loud as to disturb us.
他的声音太大，影响到了我们。
●The girl was so excited as to shout herself hoarse.
那个女孩兴奋得喊哑了嗓子。
征服对话
●Don’t be angry.
●His behavior was so foolish as to irritate me.
不要生气了。他的愚蠢的行为激怒了我。
●Why does Mary study so hard?
●She studies so hard as to study abroad.
玛丽为什么这么认真学习？
她这么认真学习是为了留学。
●He has been silent for a long time.
●He is so sad as not to say a word.
他已经沉默很久了。他难过得说不出话来。
●I’m very worried about Selina.
●Don’t worry.She is so wise as to solve the problem.
我很担心赛琳娜。不必担心。她非常聪明，能解决这个问题。