英语副词性从句是一种从句，用于修饰动词、形容词或副词，表示地点、时间、原因、目的、结果、条件、方向、程度、方式和伴随状况等。副词性从句可以出现在句子的任何位置，可以是直接的描述，也可以是比喻性的描述。与副词性从句相比，副词性短语不包含主语和谓语。
- 地点：where, wherever, everywhere
- Wherever you go, I will follow you.（无论你去哪里，我都会跟随你。）
- We can meet where you like.（我们可以在哪里见面？）
- She left her keys where she usually keeps them.（她把钥匙放在她通常放的地方。）
- You can sit anywhere you like. (你可以坐在任何地方。)
- We should keep our environment clean everywhere we go. (我们应该在走到哪里都保持环境清洁。)
- He can find a job wherever he goes. (他无论到哪里都能找到工作。)
- 时间：when, whenever, before, after, while, until, as soon as, since
- I will wait here until you come back.（我会在这里等你回来。）
- I’ll let you know as soon as I hear from him. (我一听到他的消息就会告诉你。)
- I will stay up all night if necessary.（如果必要的话，我会熬夜。）
- I will call you as soon as I arrive.（我一到就给你打电话。）
- I’ll call you back when I get home. (我回家后会给你回电话。)
- She always listens to music while she’s cooking. (她做饭时总是听音乐。)
- 原因：because, since, as, now that
- Because he was sick, he didn’t go to school.（因为他生病了，所以他没去上学。）
- She has been feeling down lately since her dog died. (自从她的狗死了以来，她最近一直情绪低落。)
- Now that you’ve got a chance, you might as well make full use of it. (既然你有了机会你要充分利用它。)
- Now that everyone is here, let’s begin our meeting. (既然人家都来了,我们就开始开会吧。)
- As you object, I’ll change the plan. (由于你反对,我将改变计划。)
- We had better hurry as it’s getting dark. (因为人快要黑了我们最好快点。)
- I’m tired because I stayed up late last night.（我很累，因为昨晚熬夜了。）
- I’ll do it for you since you are busy. (既然你忙我来苦你做吧。)
- 目的：so that, in order that
- John shutt everybody out of the kitchen so that he could prepare his grand surprise for the party. (约翰把其他人关在厨房外,目的是能够为晚会烹饪出人意料的东西。)
- These men risk their lives in order that we may live more safely. (这些人甘冒生命危险,是为了正我们活得更安全些)
- I’m studying hard so that I can get into a good university. (我正在努力学习，以便能进入一所好大学。)
- He took a map with him so that he wouldn’t get lost. (他带了一张地图，以免迷路。)
- We need to save money in order that we can buy a new car next year. (我们需要存钱，以便明年能买一辆新车。)
- She’s learning Chinese so that she can communicate with her Chinese friends better. (她正在学中文，以便更好地与她的中国朋友交流。)
- He’s working hard every day in order that he can provide for his family. (他每天都在努力工作，以便能养活他的家人。)
- 结果：so that, so…that, such…that
- He worked hard so that he passed the exam. (他学习很努力,结果通过了考试)
- She was so happy that she cried tears of joy.（她太高兴了，以至于哭出了幸福的泪水。）
- The movie was so boring that we left early.（电影太无聊了，我们提前离开了。）
- The weather was so bad that we had to cancel our plans.（天气太糟糕了，我们不得不取消计划。）
- She was such a good singer that everyone loved her performances. (她是一个如此出色的歌手，每个人都喜欢她的表演。)
- He spoke for such a long time that people began to fall asleep. (他讲了那么长时间,人们开始打起睡了)
- 条件：if, unless, provided that, as long as
- If it rains tomorrow, we will stay at home.（如果明天下雨，我们就呆在家里。）
- Unless you finish your homework, you can’t go out to play.（除非你完成作业，否则不能出去玩。）
- Provided that you come early, we can go together.（只要你早点来，我们就可以一起去。）
- As long as you try your best, you will succeed in the end.（只要你尽力而为，最终你会成功的。）
- You can come with us if you want. (你可以和我们一起去，如果你愿意。)
- I won’t go to the party unless you come with me. (除非你和我一起去，否则我不会去参加聚会。)
- I’ll lend you the money provided that you pay me back next week. (我会借给你钱，前提是你下周还给我。)
- If you don’t hurry, you’ll miss the train. (如果你不赶快，就会错过火车了。)
- 比较：than, as…as, not so/as…as, the more…, the more…
- John plays football as well as, if not better than, David. (如果说約翰的足球踢的不比大卫好,至少和他踢的一样好)
- I can’t run as so fast as he can. (我跑的没他快)
- The more you practice, the better you will get. (你练习得越多，你就会变得越好。)
- The less you eat, the more weight you will lose. (你吃得越少，你就会减轻得越多。)
- The harder you work, the more successful you will be. (你工作越努力，你就会越成功。)
- The director gave me a better offer than he gave Dick. (老师给我的提议比给狄克的好)
- 让步：though, although, even if (though), whatever, whoever
- Though he is young, he can speak French. (他虽然年幼，但是他会讲法语。)
- Although she is a woman, she can do much tired work. (虽然她是个女人，但是她会做很累的活。)
- Even if I am a woman, I will work like a man. (即使我是个女人，我也会像男人一样去工作。)
- Whatever you say is right. (无论你说什么，我都相信你。)
- Whoever breaks the rules will be punished. (谁违反这些规则都将受到处罚。)
- Though he blames me, yet I will trust him. (尽管他责备我，但我仍然相信他。)
- Even if it rains tomorrow, we will still go to the park. (即使明天下雨，我们仍然会去公园。)
- Although he is not very tall, he is very strong. (虽然他不是很高，但他很强壮。)
- 方式：as, just as, as if, as though
- She looked at me as if I was crazy.（她看着我，好像我疯了一样。）
- He talks as if he knows everything.（他说话的样子好像什么都知道。）
- She treats him just as she treats her own son.（她对待他的方式就像对待自己的儿子一样。）
- He ran just as fast as his friend.（他跑得和他的朋友一样快。）
- She acted as though she didn’t care about the news.（她表现得好像不在意这个消息。）
- She looked at him as though he was a stranger.（她看着他的眼神好像他是个陌生人。）