动词不定式是英语中的一种动词形式，可以充当多种语法角色。例如，“学好英语是我的目标”，“她决定辞职并周游世界”，“他承诺帮我做作业”，等等。这些句子展示了动词不定式的灵活性和多功能性。
- To learn English well is my goal.（学好英语是我的目标。）
- She decided to quit her job and travel around the world.（她决定辞职并周游世界。）
- He promised to help me with my homework.（他承诺帮我做作业。）
- I want to have a cup of coffee before I start working.（我想在开始工作之前喝一杯咖啡。）
- She asked me to pick up her son from school.（她请我去接她儿子放学。）
- To be or not to be, that is the question.（生存还是毁灭，这是一个问题。）
- My parents always encourage me to pursue my dreams.（我的父母总是鼓励我追求我的梦想。）
- The teacher reminded the students to turn in their homework on time.（老师提醒学生们按时交作业。）
- I can't wait to see my best friend who is coming to visit me next week.（我迫不及待地想见到下周来看我的最好的朋友。）
- It's important to have a positive attitude towards life.（对生活保持积极的态度很重要。）
