在英语中，"ed"后缀不仅表示过去分词，也可以作为形容词的动词，表达状态或特征。例如，"interested"表示“感兴趣的”，"exhausted"表示“筋疲力尽的”，"confused"表示“困惑的”，"amazed"表示“惊讶的”。通过学习这些词语，可以拓展词汇量，提高英语表达能力。
- Interested
"Interested" 是以 "ed" 结尾的形容词，但它是由动词 "interest" 加上后缀 "ed" 而来。这个词表示“感兴趣的”，形容词的性质和用法，可以作为主语、宾语或定语，如：
- I am interested in learning English.
- He showed no interest in her proposal.
- The interested students gathered around the teacher.
- Exhausted
"Exhausted" 是由动词 "exhaust" 加上后缀 "ed" 而来的形容词，表示“筋疲力尽的”，多用来形容人或事物。如：
- She was exhausted after running a marathon.
- The team was exhausted after working on the project for 48 hours.
- Confused
"Confused" 是由动词 "confuse" 加上后缀 "ed" 而来的形容词，表示“困惑的”，多用来形容人或思维。如：
- The student was confused by the complex math problem.
- She was confused about which direction to take.
- The politician's answer left the audience confused.
- Amazed
"Amazed" 是由动词 "amaze" 加上后缀 "ed" 而来的形容词，表示“惊讶的”，多用来形容人或情境。如：
- I was amazed by the magic trick.
- The audience was amazed at the singer's performance.
- She was amazed to see her childhood friend after so many years.
