摘要：原因状语从句是在复合句中表示主句动作发生原因的从句，常用的从属连词有because（因为）, as（由于）, since（既然）, now (that)（既然）, considering (that)（考虑到）, given (that)（考虑到）, in t

原因状语从句是在复合句中表示主句动作发生原因的从句，常用的从属连词有because（因为）, as（由于）, since（既然）, now (that)（既然）, considering (that)（考虑到）, given (that)（考虑到）, in that（因为，在于）等。下面为你详细讲解并附上双语例句：

1. because引导的原因状语从句

- because表示直接原因，语气最强，用来回答why引导的疑问句，所引导的从句可放在主句前或后。放在句首时，要用逗号与主句隔开；放在句末时，可不用逗号。

1. I didn't go to school because I was ill.（我没去上学，因为我生病了。）

2. Because it rained heavily, we had to cancel the picnic.（因为雨下得很大，我们不得不取消野餐。）

3. She was late for work because the traffic was terrible.（她上班迟到是因为交通状况很糟糕。）

4. He can't come to the party because he has an important meeting.（他不能来参加派对，因为他有一个重要会议。）

5. They didn't buy the house because it was too expensive.（他们没有买那所房子，因为它太贵了。）

6. I like this book because it is very interesting.（我喜欢这本书，因为它非常有趣。）

7. She didn't answer my question because she didn't hear me.（她没有回答我的问题，因为她没听见我说话。）

8. We didn't go out because it was too cold outside.（我们没有出去，因为外面太冷了。）

9. He was angry because his sister broke his favorite toy.（他很生气，因为他妹妹弄坏了他最喜欢的玩具。）

10. The game was postponed because of the bad weather.（因为天气不好，比赛推迟了。）（这里because of后接名词短语，与because引导从句可转换，原句可改为The game was postponed because the weather was bad. ）

11. She was sad because she failed the exam.（她很伤心，因为她考试不及格。）

12. Because he was tired, he went to bed early.（因为他累了，所以他很早就上床睡觉了。）

13. I trust him because he is always honest.（我信任他，因为他总是很诚实。）

14. They lost the match because they didn't train hard.（他们输了比赛，因为他们没有刻苦训练。）

15. Because she loves music, she goes to the concert every week.（因为她热爱音乐，所以她每周都去听音乐会。）

16. He didn't eat breakfast because he got up late.（他没吃早饭，因为他起晚了。）

17. She couldn't find her keys because she was in a hurry.（她找不到钥匙，因为她很匆忙。）

18. We didn't understand him because he spoke too fast.（我们听不懂他的话，因为他说得太快了。）

19. Because it was noisy outside, I couldn't focus on my study.（因为外面很吵，我无法集中精力学习。）

20. He was punished because he broke the rules.（他受到了惩罚，因为他违反了规则。）

2. as引导的原因状语从句

- as引导原因状语从句时，表示附带说明的“双方已知的原因”，含有对比说明的意味，语气比since弱，较为正式，位置较为灵活，常放于主句之前。

1. As it is raining, we'd better stay at home.（由于正在下雨，我们最好待在家里。）

2. As you are tired, you should have a rest.（因为你累了，你应该休息一下。）

3. As he has no money, he can't buy a new bike.（由于他没有钱，他买不起新自行车。）

4. As she is busy, she has no time to play with us.（因为她很忙，她没有时间和我们一起玩。）

5. As you know, he is a very hard - working student.（如你所知，他是一个非常勤奋的学生。）

6. As it was Sunday, there were many people in the park.（因为是星期天，公园里有很多人。）

7. As I have a lot of homework to do, I can't go to the cinema with you.（由于我有很多作业要做，我不能和你一起去看电影。）

8. As they were late for the meeting, they missed the important part.（因为他们开会迟到了，他们错过了重要的部分。）

9. As he is ill, he can't attend the class.（因为他生病了，他不能上课。）

10. As the weather is fine, we plan to have a picnic.（由于天气很好，我们计划去野餐。）

11. As you are a member of the club, you can enjoy some privileges.（因为你是俱乐部的成员，你可以享受一些特权。）

12. As she doesn't like the movie, she leaves the cinema early.（因为她不喜欢这部电影，她早早地离开了电影院。）

13. As he didn't study hard, he didn't pass the exam.（由于他没有努力学习，他没有通过考试。）

14. As it is getting dark, we should go home soon.（因为天渐渐黑了，我们应该尽快回家。）

15. As they are good friends, they often help each other.（因为他们是好朋友，他们经常互相帮助。）

16. As you have grown up, you should be responsible for your actions.（因为你已经长大了，你应该对自己的行为负责。）

17. As the teacher was absent, the class was canceled.（由于老师缺席，这堂课取消了。）

18. As he has a lot of experience, he can deal with the problem easily.（因为他有丰富的经验，他能轻松地处理这个问题。）

19. As she loves dancing, she takes dance classes every week.（因为她喜欢跳舞，她每周都上舞蹈课。）

20. As we have enough time, we can visit the museum slowly.（由于我们有足够的时间，我们可以慢慢参观博物馆。）

3. since引导的原因状语从句

- since表示“既然” ，侧重主句，引导的从句表示显然的或已为人所知的、无需加以说明的原因或事实的理由，通常置于句首，表示一种含有勉强语气的原因，语气比because弱，但比as强。

1. Since you are here, you'd better stay for dinner.（既然你来了，你最好留下来吃晚饭。）

2. Since everyone is ready, let's start the game.（既然大家都准备好了，我们开始游戏吧。）

3. Since you have known the truth, I don't need to explain it again.（既然你已经知道了真相，我就不需要再解释了。）

4. Since it is late, we should go to bed.（既然时间很晚了，我们应该睡觉了。）

5. Since you are interested in history, you can visit the local museum.（既然你对历史感兴趣，你可以参观当地的博物馆。）

6. Since he has made up his mind, we can't change it.（既然他已经下定决心，我们无法改变。）

7. Since she has a car, she often drives to work.（既然她有车，她经常开车去上班。）

8. Since you are free today, you can help me with my housework.（既然你今天有空，你可以帮我做家务。）

9. Since we have no choice, we have to accept the result.（既然我们别无选择，我们只好接受这个结果。）

10. Since the problem is so difficult, we need to think it over.（既然这个问题这么难，我们需要仔细考虑一下。）

11. Since you like music, you can join the school music club.（既然你喜欢音乐，你可以加入学校音乐俱乐部。）

12. Since he is always late, the teacher is angry with him.（既然他总是迟到，老师对他很生气。）

13. Since you have finished your homework, you can watch TV for a while.（既然你已经完成了作业，你可以看一会儿电视。）

14. Since it is a fine day, we can go for a walk in the park.（既然天气很好，我们可以去公园散步。）

15. Since she is good at English, she can help us with our English study.（既然她擅长英语，她可以帮助我们学习英语。）

16. Since they are classmates, they should get along well with each other.（既然他们是同学，他们应该彼此友好相处。）

17. Since you want to improve your skills, you should practice more.（既然你想提高你的技能，你应该多练习。）

18. Since the meeting is very important, you must attend it on time.（既然这次会议非常重要，你必须按时参加。）

19. Since he has a lot of work to do, he can't go on vacation with us.（既然他有很多工作要做，他不能和我们一起去度假。）

20. Since you have been to Beijing, you can tell us something about it.（既然你去过北京，你可以给我们讲讲关于北京的事情。）

4. now (that)引导的原因状语从句

- now (that) 同since相似，语气较弱，强调人们已知的事实，意为“既然”，引导的从句通常放在主句前。

1. Now that you are here, we can start the project.（既然你来了，我们可以开始这个项目了。）

2. Now that the weather is fine, we can go hiking.（既然天气好，我们可以去远足。）

3. Now that you have grown up, you should make your own decisions.（既然你已经长大了，你应该自己做决定。）

4. Now that you mention it, I do remember what happened.（既然你提到了，我确实记得发生了什么。）

5. Now that he has apologized, we should forgive him.（既然他已经道歉了，我们应该原谅他。）

6. Now that you have finished your work, you can have a rest.（既然你已经完成了工作，你可以休息一下。）

7. Now that we have enough money, we can buy a new house.（既然我们有足够的钱，我们可以买一所新房子。）

8. Now that she knows the truth, she won't be angry with you.（既然她知道了真相，她就不会生你的气了。）

9. Now that they have got married, they will live a new life together.（既然他们已经结婚了，他们将一起开始新生活。）

10. Now that you have understood the rules, you can play the game.（既然你已经理解了规则，你就可以玩这个游戏了。）

11. Now that he has passed the driving test, he can drive his own car.（既然他已经通过了驾驶考试，他可以开自己的车了。）

12. Now that you have read the book, you can share your thoughts with us.（既然你已经读了这本书，你可以和我们分享你的想法。）

13. Now that we have a plan, we should carry it out.（既然我们有了计划，我们就应该执行它。）

14. Now that she has found a job, she doesn't have to depend on her parents.（既然她已经找到了一份工作，她就不必依赖她的父母了。）

15. Now that you have learned English for a long time, you should be able to communicate with others in English.（既然你已经学了很长时间英语，你应该能够用英语和别人交流了。）

16. Now that he has realized his mistake, he will try to correct it.（既然他已经意识到了自己的错误，他会努力改正的。）

17. Now that we have no time left, we have to speed up.（既然我们没有时间了，我们必须加快速度。）

18. Now that you have visited the city, you can tell me what it's like.（既然你已经参观过这个城市，你可以告诉我它是什么样的。）

19. Now that they have solved the problem, they can move on to the next step.（既然他们已经解决了这个问题，他们可以进行下一步了。）

20. Now that you have made progress, you should keep it up.（既然你已经取得了进步，你应该继续保持。）

5. considering (that)引导的原因状语从句

- considering (that)表示“考虑到”，引导的从句对主句的情况进行解释或说明，表明一种基于某种考虑的原因。

1. Considering that he is only a child, he did a good job.（考虑到他只是个孩子，他做得很好了。）

2. She passed the exam easily considering that she had studied hard.（考虑到她学习很努力，她轻松地通过了考试。）

3. Considering that the traffic was heavy, we arrived on time.（考虑到交通拥堵，我们还是按时到达了。）

4. He looks young considering that he is already in his forties.（考虑到他已经四十多岁了，他看起来很年轻。）

5. Considering that they have no experience, they have done pretty well.（考虑到他们没有经验，他们做得相当不错了。）

6. Considering that the weather was bad, the sports meeting was still a great success.（考虑到天气不好，运动会仍然非常成功。）

7. She is in good health considering that she smokes a lot.（考虑到她抽烟很多，她的健康状况还算不错。）

8. Considering that he has a lot of work to do, he still manages to spend time with his family.（考虑到他有很多工作要做，他仍然设法抽出时间和家人在一起。）

9. They can afford the house considering that they have saved money for years.（考虑到他们已经攒了多年的钱，他们买得起这所房子。）

10. Considering that the task is difficult, they completed it ahead of time.（考虑到任务艰巨，他们提前完成了任务。）

11. He can speak English fluently considering that he has only studied it for a year.（考虑到他只学了一年英语，他说得很流利了。）

12. Considering that she is new here, she adapts to the environment quickly.（考虑到她是新来的，她很快就适应了环境。）

13. Considering that he is always busy, it's not easy for him to find time for exercise.（考虑到他总是很忙，他很难抽出时间锻炼。）

14. They made a wise decision considering that they didn't have much information.（考虑到他们没有太多信息，他们做出了明智的决定。）

15. Considering that the price is reasonable, we decided to buy the product.（考虑到价格合理，我们决定购买这个产品。）

16. She is very calm considering that she is in such a difficult situation.（考虑到她处于如此困难的境地，她非常冷静。）

17. Considering that the road is under construction, we'd better take another route.（考虑到道路正在施工，我们最好走另一条路线。）

18. He can understand the complex theory considering that he has a strong foundation in mathematics.（考虑到他有很强的数学基础，他能够理解这个复杂的理论。）

19. Considering that they are short of time, they should make a plan carefully.（考虑到他们时间紧迫，他们应该仔细制定计划。）

20. Considering that the competition is fierce, we need to work harder to win.（考虑到竞争激烈，我们需要更加努力才能获胜。）

6. given (that)引导的原因状语从句

- given (that) 也表示“考虑到”，与considering (that) 类似，引导的从句说明一种既定的条件或情况，作为主句的原因。

1. Given that he has no experience, he is doing a good job.（考虑到他没有经验，他干得很不错。）

2. Given that the project is complex, they have made remarkable progress.（考虑到这个项目很复杂，他们取得了显著的进展。）

3. Given that the weather is unpredictable, we should take an umbrella.（考虑到天气多变，我们应该带把伞。）

4. Given that she is busy, she still spends time with her friends regularly.（考虑到她很忙，她仍然定期和朋友们在一起。）

5. Given that he is a beginner, his performance is quite impressive.（考虑到他是个初学者，他的表现相当令人印象深刻。）

6. Given that they have limited resources, they have achieved a lot.（考虑到他们资源有限，他们已经取得了很大成就。）

7. Given that the book is very thick, it's not easy to finish reading it in a short time.（考虑到这本书很厚，短时间内读完不容易。）

8. Given that the traffic is always heavy at this time, we'd better leave early.（考虑到这个时候交通总是很拥堵，我们最好早点出发。）

9. Given that he has a lot of pressure, he remains positive.（考虑到他压力很大，他仍然保持积极。）

10. Given that the task requires a lot of patience, she is the right person for it.（考虑到这项任务需要很大的耐心，她是合适的人选。）

11. Given that the situation is urgent, we need to take immediate action.（考虑到情况紧急，我们需要立即采取行动。）

12. Given that the problem is difficult to solve, we should think of a new way.（考虑到这个问题很难解决，我们应该想出新的办法。）

13. Given that the test is very important, we should prepare well for it.（考虑到这次考试非常重要，我们应该好好准备。）

14. Given that the company is in financial trouble, they have to cut down on costs.（考虑到公司陷入财务困境，他们不得不削减成本。）

15. Given that the market is changing rapidly, we need to adapt quickly.（考虑到市场变化迅速，我们需要快速适应。）

16. Given that he is not feeling well, he still insists on going to work.（考虑到他身体不舒服，他仍然坚持去

来源：蒙古元素