They went there to visit their teacher. 他们去那里拜访老师。（表目的） He woke up only / just to find everybody gone. 他醒来发现大家都走了。（表示结果） too?to

I’m too tired to say a word.

在某些表示“喜、怒、哀、乐、”的形容词、过去分词、动词之后跟不定式表示原因。( happy, sad,

surprised, shocked, astonished, delighted,

pleased, weep, cry, laugh ) 如：

I am so sorry to hear your mother is ill. 听到你母亲生病真遗憾。（ 表示原因 ）

在带有enough 或too的句子里，也常用不定式作状语，表示程度。如： He is old enough to go to school. 他到上学年龄了。

I have something

interesting to share with you.

She is too tired to do the job. 她太累而不能做那件工作了。

You cannot be ___ careful when you drive a car.( 2010）

a. very b. so c. too d. enough

Men cannot have too many ties.

注意：强调动词不定式所表示的目的时，动词不定式可用in order to +不定式(为了) 或so as to (以便) + 动词原形。so as to 不用于句首。

In order that+句子

He got up early in order to catch the first bus. He got up early in order that he caught the first bus他早起为了赶上第一班车。

although in spite of