一、名词性从句
主语从句 - It is a fact that she passed the exam on the first try.
- What we discussed yesterday was very important.
- Whether he will attend the meeting remains unclear.
宾语从句
- I believe that she will finish the project on time.
- The problem is that we don't have enough resources.
- He asked me where the nearest subway station is.
表语从句
- The problem is that we don't have enough resources.
- The news is that the meeting has been postponed.
- The reason is that the weather forecast is unfavorable.
同位语从句
- The man whose car broke down was my neighbor.
- The fact that she won the award surprised everyone.
- The idea that we could solve the problem quickly was exciting.
二、定语从句
关系代词引导
- The book which/that I borrowed from the library is fascinating.
- The students who passed the exam received a certificate.
- The company whose products are known worldwide operates internationally.
关系副词引导
- The meeting took place when the CEO announced the new policy.
- The city where we grew up has a beautiful park.
- The reason why he was late is still unknown.
三、状语从句
时间状语从句
- When the meeting starts, we will begin the presentation.
- If it rains, the picnic will be canceled.
- Before we leave, we need to finish our homework.
地点状语从句
- Where the movie was shot is a popular tourist attraction.
- Whenever she calls, I am always available.
- In case of emergency, you can contact me at this number.
原因状语从句
- Because of the heavy traffic, we arrived late.
- Since she forgot her keys, we had to wait.
- Although it was cold, we continued with the hike.
结果状语从句
- So...that...
- The cake was so delicious that we ate it all.
- The movie was so boring that I fell asleep.
- Such...that...
- The problem was so complex that we needed more time.
- The weather was so bad that the event was canceled.
四、其他常见结构
让步状语从句： Although it was raining, the match went on. Even if she fails, we will support her. 条件状语从句
If you study hard, you will pass the exam.
Provided that the weather is fine, we will go hiking.
以上例句覆盖了英语从句的主要类型和用法，通过实际语境展示了各从句的功能和引导词的使用规则。
