英语语法中的引导从句是连接主句和从句的关键词汇。常见的引导从句词汇包括"that"（表述事实或观点），"if"（表述条件），"when"（表述时间），"because"（表述原因）和"although"（表述让步）。理解这些词汇的用法可以提高英语表达能力。
以下是一些常见的引导从句英文：
1. That
"That" 是一个非常常见的引导从句的词汇。它可以用来引导表述事实或观点的从句。例如：
- She said that she would come to the party.
- I believe that learning English is very important.
2. If
"If" 是引导条件从句的常用词汇。这种从句表达的是一个条件，即如果某个条件成立，就会发生某种事情。例如：
- If it rains tomorrow, we will stay at home.
- If you study hard, you will get good grades.
3. When
"When" 是引导时间从句的常用词汇。这种从句表达的是某个事件发生的时间。例如：
- I will call you when I get home.
- When she saw the movie, she cried.
4. Because
"Because" 是引导原因从句的常用词汇。这种从句表达的是某个事件发生的原因。例如：
- I didn't go to the party because I was feeling sick.
- She got a promotion because she worked hard.
5. Although
"Although" 是引导让步从句的常用词汇。这种从句表达的是尽管某个条件成立，但仍然会发生某种事情。例如：
- Although it was raining, she went for a walk.
- He passed the exam, although he didn't study very hard.
