在英语语法中,引导原因状语从句的常用从属连词包括"because"、"since"、"as"、"due to"和"owing to"。这些连词都用于表达事件或行动的原因,例如:"I stayed home today because I was feeling sick","Since she started studying English, her grades have improved a lot"等。
1. because
"because" 是最常见的引导原因状语从句的从属连词之一。它的使用非常简单,只需要将这个词放在从句的开头即可。例如:
- I stayed home today because I was feeling sick.(我今天呆在家里是因为感觉不舒服。)
2. since
"since" 也是一种常见的引导原因状语从句的从属连词,它的意思是“自从”或“因为”。例如:
- Since she started studying English, her grades have improved a lot.(自从她开始学习英语,她的成绩有了很大的提高。)
3. as
"as" 也可以用来引导原因状语从句,它的意思是“因为”或“由于”。例如:
- As I was running late, I didn't have time to eat breakfast.(由于我赶时间,我没有时间吃早餐。)
4. due to
"due to" 是另一种常见的引导原因状语从句的从属连词,它的意思是“由于”。例如:
- The flight was delayed due to bad weather conditions.(由于天气恶劣,航班延误了。)
5. owing to
"owing to" 与“due to”类似,也是用来引导原因状语从句的从属连词,意思也是“由于”。例如:
- Owing to his hard work, he was promoted to manager.(由于他的努力工作,他被晋升为经理。)