1．时间状语从句常用引导词：when, as, while, as soon as, before, after, since , till, until 特殊引导词：the minute, the moment, the second, every time, the day，theinstant, immediately , directly, no sooner …than, hardly …when, scarcely …whenI didn't realize how special my mother was until I became an adult. While John was watching TV, his wife was cooking.The children ran away from the orchard(果园), the moment they saw the guard.No sooner had I arrived home ,then it began to rain.Every time I listen to your advice, I get into trouble.2．地点状语从句常用引导词：where特殊引导词：wherever, anywhere, everywhereGenerally, air will be heavily polluted where there are factories. Wherever you go, you should work hard.地点状语从句§4地点状语从句(adverbial clause of place)地点状语从句一般由连接副词where, wherever等引导，已经形成了固定的句型，例如：句型1：Where＋地点从句，（there）＋主句。
【注意】此句型通常译成“哪里……哪里就……”；主句在从句后面时，there可用可不用；如果主句在从句的前面时，一般都不用there。
例如：1 / 15Where there is no rain, farming is difficult or impossible.在没有雨水的地方，耕作是困难的，或根本不可能的。
You should have put the book where you found it. 你本来应该把书放回原来的地方。
Where the Communist Party of China goes, there the people are liberated.哪里有了中国共产党，哪里人民得解放。
句型2：Anywhere/ wherever＋地点从句，＋主句。
【注意】anywhere本身是个副词，但是，常可以引导从句，相当于连词，意思相似于wherever, anywhere引导的从句可位于主句之前，也可以位于主句之后。
而wherever本身就是个连词，表示“在何处，无论何处”。
例如：Wherever the sea is , you will find seamen.有海就有海员。
3回答者：快乐如3．原因状语从句常用引导词：because, since, as, for特殊引导词：seeing that, now that, in that, considering that, given that.My friends dislike me because I'm handsome and successful.4．目的状语从句常用引导词：so that, in order that特殊引导词：lest, in case, for fear that，in the hope that, for the purpose that,to the end thatThe boss asked the secretary to hurry up with the letters so that he could signthem.The teacher raised his voice on purpose that the students in the back could hearmore clearly.2 / 155．结果状语从句常用引导词：so …that, such …that,特殊引导词：such that, to the degree that, to the extent that, to such a degreethat,He got up so early that he caught the first bus.It's such a good chance that we must not miss it.To such a degree was he excited that he couldn't sleep last night.6．条件状语从句常用引导词：if, unless,特殊引导词：as/so long as, only if, providing/provided that, supposing that, incase that, on condition thatWe'll start our project if the president agrees.You will certainly succeed so long as you keep on trying.Provided that there is no opposition, we shall hold the meeting here. 7．让步状语从句常用引导词：though, although, even if, even though特殊引导词：as(用在让步状语从句中必须要倒装)，while ( 一般用在句首)，no matter …，in spite of the fact that, while, whatever, whoever, wherever,whenever, however, whicheverMuch as I respect him, I can't agree to his proposal.尽管我很尊敬他，我却不同意他的建议。
The old man always enjoys swimming even though the weather is rough.3 / 15No matter how hard he tried, she could not change her mind.He won't listen whatever you may say.8．比较状语从句常用引导词：as(同级比较), than(不同程度的比较)特殊引导词：the more …the more …; just as …，so…; A is to B what /as X isto Y; no …more than; not A so much as BShe is as bad-tempered as her mother.The house is three times as big as ours.The more you exercise, the healthier you will be.Food is to men what oil is to machine. 食物之于人，犹如油之于机器。
9．方式状语从句常用引导词：as, as if, how特殊引导词：the wayWhen in , do as the Roman do.She behaved as if she were the boss.Sometimes we teach our children the way our parents have taught us. 三、条件状语从句要点：表示状语从句由连词if, unless (=if not) 引导。
1.If it doesn't rain tomorrow, we will go hiking.如果明天不下雨, 我们就去远足.2.You will get good grades if you study hard.4 / 15如果你努力学习,就会取得好成绩.3.I will go to the party unless he goes there too.我会去参加聚会的, 除非他也去.(如果他不去,我就去.)4.You will be late unless you leave immediately.如果你不马上走,你将会迟到的.(=If you don't leave immediately, you will belate.)难点提示：用条件状语从句时要注意时态的正确使用,当主句是将来时的时候,从句要用一般现在时.lHe will not leave if it isn't fine tomorrow.一般将来时，一般现在时lThey are going to have a picnic if it doesn't rain next week.一般将来时, 一般现在时.难点——because , since , as , for,辨析1）because语势最强，用来说明人所不知的原因，回答why提出的问题。
当原因是显而易见的或已为人们所知，就用as或since。
I didn't go, because I was afraid.Since /As the weather is so bad, we have to delay our journey.2）由because引导的从句如果放在句末，且前面有逗号，则可以用for来代替。
但如果不是说明直接原因，而是多种情况加以推断，就只能用for。
He is absent today, becaus e / for he is ill.He must be ill, for he is absent today.3) as和for的区别：5 / 15通常情况下，as引导的从句在主句前，for引导的从句在主句后。
例：As the weather is cold, I stay at home.（同义句）I stay at home, for the weather is cold.五、目的状语从句要点：目的状语从句由连词that, so that, so…that , in order that 引导。