本文目录
英语中的从句是构成复杂句的重要部分，它可以用来表达各种不同的意思和语境。下面我们来看看各种从句的用法和解析。
名词性从句
名词性从句可以替代名词，在句中充当主语、宾语、表语等成分，通常由连词 that、whether、if、who、which、whom 等引导。例如：
- 主语从句：That he is late again is very annoying.
- 宾语从句：I don't know whether he is coming or not.
- 表语从句：The problem is what to do next.
定语从句
定语从句用来修饰某个名词或代词，通常由关系代词 who、whom、whose、which、that 引导。例如：
- The man who is standing there is my friend.
- The book which I borrowed yesterday is very interesting.
状语从句
状语从句用来表示时间、条件、原因、结果、目的等状况，通常由连词 when、while、before、after、if、unless、because、since、so that 等引导。例如：
- 时间状语从句：I will call you when I arrive at the airport.
- 条件状语从句：I will go to the party if I finish my work on time.
- 原因状语从句：He didn't come to the meeting because he was sick.
- 结果状语从句：She worked hard so that she could pass the exam.
以上是各种从句的用法和解析，希望能对大家的英语学习有所帮助。
