一、动词不定式作主语的句子
1、To love others is to be loved.爱人即爱己。
2、To hesitate means failure.犹豫不决就意味着失败。
3、To do morning exercises is useful for our health. 做早操有利于我们的健康。
4、To clean the window is your duty.清洁窗户是你的职责。( 不定式的逻辑主语是 “you”)
5、To point out the difficulties is my purpose. 指出困难是我的目的。( 不定式的逻辑主语是 “I”)
二、动词不定式作宾语的句子
1、I can't bear to look back.往事不堪回首。
2、The driver failed to see the other car in time. 司机没能及时看见另一辆车。
3、The driver failed to see the other car in time.驾驶员未能及时看到另1辆车。
4、I want to learn English well.我想把英语学好。
5、what I have to do now is to finish the homework.我现在要做的事就是完成我的作业。
三、动词不定式作定语的句子
1、I have many books to read. 我有许多书要读。
2、We must find a person to do the work.我们必须找到一个人来做这个工作。
3、I have no pen to write with.我没有钢笔写字。
4、She has nothing to worry about.她没什么好担心的。
5、He is always the first to come and the last to leave.他总是第一个到，最后一个离开的人。
四、动词不定式作状语的句子
1、He is too young to go to school.他的年纪太大了，所以不能去上学了。
2、Come to see me again soon. 尽快再来看我。
3、He was astonished to hear the terrible news.听到那个可怕的消息，他感到震惊。
4、I trembled to think of it. 我一想到那件事就不寒而栗。
5、You couldn't do that to save your life. 你即使为了救自己也不能那样做。