在英语中，反身代词一般用于强调主语或宾语。反身代词的使用十分灵活，可以用于各种时态和语态，而且不受人称和数的限制。
英语中的反身代词有：myself，yourself，himself，herself，itself，ourselves，yourselves，themselves。其中，itself 只能作宾语，其他反身代词可以作主语或宾语。
在句子中，反身代词通常放在动词或介词之后。例如：
- I myself will finish the job.
- He cooked the meal himself.
- They enjoyed themselves at the party.
反身代词还可以用来强调宾语，特别是当宾语是人称代词时。例如：
- She herself wrote the report.
- He blamed himself for the mistake.
- We must rely on ourselves to solve the problem.
此外，反身代词还可以用于强调整个句子的主语。例如：
- It was I myself who made the decision.
- The problem itself is not difficult, but the lack of time makes it challenging.
- The manager himself will attend the meeting.
总之，英语反身代词常用于强调语气，使句子更加生动有力。掌握反身代词的用法，可以使自己的英语表达更加得体自然。
