主语从句是英语语法中的一种重要句型，它可以作为一个句子的主语部分，通常由连接词引导。下面是20个常见的主语从句例句：
- What he said made me angry.
- Whether he comes or not is not important.
- Whoever finishes first will win the prize.
- Where we go depends on the weather.
- Why she left is still a mystery.
- How she did it is beyond me.
- That he is guilty is beyond doubt.
- If you need help, just let me know.
- Whether you like it or not, we have to go.
- Whoever told you that was mistaken.
- Wherever you go, I will follow.
- Why he did it is still unclear.
- How you do it is up to you.
- That she is coming is good news.
- If it rains, we will stay indoors.
- Whether it's true or not, I don't know.
- Whoever did it should confess.
- Where you live doesn't matter to me.
- Why he is late is not our concern.
- How much it costs is none of my business.
以上这些例句可以帮助你更好地理解和掌握主语从句的用法。希望这些例句对你的英语学习有所帮助！
