Would you beso kind as tolend me your new bike ?
The ice is thickenough towalk on.
That’s muchtooheavy for youtolift.
看网上的课程将以上三句总结为【不定式引导的结果状语从句】感到困惑
▲动词不定式完全可以表示结果，常用在too...to, enough...to, so...as to, such...as to 等结构中。
你的三个句子符合上述需要和结构，而且在乎思上，确实表达了谓语动词所表示动作的结果。除去你的例句外，又如：
We have got so plenty of food as to treat our guests. 大家有这样充裕的食物来招待大家的客人。
Is that room big enough to seat all of us？那个房间足够大能容得下大家所有些人吗？
▲如表示出人意料的结果，在不定式前常加上only，比如：
She hurried to the station only to be told the train had gone. 她匆忙赶到车站，却被告知火车已走了。
▲即使没上述搭配，只须不定式表达了谓语动词所表示动作的结果，同样视为结果状语，比如：
It seems that the employee didnt sleep at all to be so sleepy in the early morning. 仿佛这位雇员晚上根本没睡觉，才一大早这么困倦的。
（to be sleepy in the early morning 充当结果状语）
