A. 從句在英語句子中的作用
定語從句：在句中做定語，修飾一個名詞或代詞，例：The boys who are playing football are from Class One.
主語從版句權：在復合句中充當主語的句子叫做主語從句.例：What we need are good doctors.
賓語從句：就是一個句子作動詞或介詞的賓語。例：They know (that) he is working hard.
表語從句：表語從句就是用一個句子作為表語。說明主語是什麼或者怎麼樣。例：The question is when can he arrive at the hotel.
同位語從句：在復合句中用作同位語的從句叫同位語從句。它一般跟在某些名詞後面，用以說明該名詞表示的具體內容。例： I heard the news that our team had won．
狀語從句: 指句子用作狀語時，起副詞作用的句子。它可以修飾謂語、、非謂語動詞、定語、狀語或整個句子。例：He smiled as he stood up.
B. 在英語句子中什麼是狀語有什麼作用
狀語是說明動抄詞的情襲況的：
動詞發生的地點：地點狀語 saw a film in the cinema 看電影的地點是在電影院
時間：時間狀語 saw a film yesterday 看電影的時間是在昨天
方式：方式狀語 go to school by bike 上學的方式是騎自行車
原因，目的，結果，。。。
做狀語首選的是副詞，有些形容詞在有些時候也可以做狀語，但這個語法就有難度了，非謂語結構也可以做狀語，再就是著名的狀語從句了，相信你在考試中經常與它們相見。
C. 英語中狀語從句怎麼理解
狀語從句相當於一個副詞修飾主句中的謂語（包括非謂語動詞）、定版語或狀語，或權是整個子。
如：He left there yesterday.
He left there when he finished his work.
yesterday是一個副詞，when he finished his work 是一個句子，但兩者功能一樣，都作狀語，因此，when he finished his work 被稱為狀語從句。
D. 狀語從句放在句中有什麼作用
句子一般置於句首或句末。如
When he comes ,I'll call you.=I'll call you when he comes.
E. 英語中狀語有什麼作用怎麼分析狀語
狀語的概念就是副詞概念。
修飾形容詞、副詞、動詞以及整個句子。
例如： I study hard. hard就是版狀語，修飾動詞study。
The book is very good.very是副詞，修飾形權容詞good。
很高興為你解答！
老師祝你學習進步！
望採納，多謝你的問題！^_^
F. 英語中的:狀語從句 怎麼理解
狀語從句指句子用作狀語時，起副詞作用的句子。它可以修飾謂語、非謂語動詞專、定語、屬狀語或整個句子。根據其作用可分為時間、地點、原因、條件、目的、結果、讓步、方式和比較等從句。狀語從句一般由連詞(從屬連詞)引導，也可以由片語引起。從句位於句首或句中時通常用逗號與主句隔開，位於句尾時可以不用逗號隔開。
G. 英語中狀語是什麼什麼是狀語從句
定義：
A 狀語主要是用來修飾動詞和形容詞的，以表明動作發生或狀態存在的時間，地點，原因，等。
1 Ten years ago, She began to live in Dalian.
時間狀語修飾began
2 The boy was praised for his bravery.
原因狀語修飾was praised
B 狀語從句就是用一個句子來代替上面的時間狀語和原因狀語。
1 Ten years ago, she began to live in Dalian.
When she was 12 years old, she began to live in Dalian.
2 The boy was praised for his bravery.
The boy was praised because he saved the baby』s life in the freezing river.
二狀語從句的種類：
A 時間狀語從句:
連接時間狀語從句的連接詞有:
(1) 連詞：when, while, as. 它們都表示當…時候的意思。如果主句和從句的動作同時發生且都是進行時
態，只用while, as. 其他情況下when, while, as通用。
1When he came in, I was listening to the radio．
2As I was wandering in the street, I met her.
3While (as) I was watching TV, my mum was cooking in the kitchen.
(2) 連詞before, after, since, until(till). 當他們表示時間時，他們既是介詞又是連詞。
{ He usually drinks a cup of tea before he goes to school.
連詞
He usually drinks a cup of tea before going to school.
介詞
{
He usually drinks a cup of coffee after he comes back from school.
連詞
He usually drinks a cup of coffee after coming back from school.
介詞
{
I have lived in Dalian since my son was born in 1999.
連詞
通常情況下，主句用現在完成時，從句用一般過去時。
I have lived in Dalian since 1999.
介詞
{
I will wait here until(till) you finish your job.
連詞
I will wait here until(till) 8pm.
介詞
(3) 片語：as soon as
{ I will tell him as soon as he comes back.
As soon as she finishes her homework, she will play tennis.
通常情況下，主句用一般將來時，as soon as 引導的從句用一般現在時。
B 地點狀語從句：
連接地點狀語從句的連接詞有：where, wherever=no matter where:
1Where there is water, there is life.
2Where there is a will, there is a way.
3Wherever you go, I will follow you.== No matter where you go, I will follow you.
4I will go wherever I can find a good job.== I will go no matter where I can find a good job.
C 原因狀語從句：
連接原因狀語從句的連接詞有：because, as, since, for.
1Tom was late for school this morning because he didn』t catch the early bus.
2I couldn』t go to Beijing on business as my mother was ill.
3Since all of us agreed about this plan, we will carry it out next week.
4We listened carefully, for the speech was very important.
注意：
當連接原因狀語從句時，because語氣最強，as, since, for次之；because, as, since引導的從句可在主句前面或後面， for引導的從句只能在主句的後面。
D 條件狀語從句：
連接條件狀語從句的連接詞有：if, unless, as long as.
1If I am not busy tomorrow, I will play football with you.
2You won』t pass the exam unless you work hard on it.
3As long as you take my advice, you will outwit your rival.
注意：
一般情況下，if, unless, as long as 引導的從句用一般現在時，主句用一般將來時。
E 讓步狀語從句:
連接讓步狀語從句的連接詞有：although, though, even if, even though, however, whatever, whenever, whoever, whichever.
1Although (though) I gave him some advice, he didn』t take them.
2John continued to work hard even if (even though) he felt sick.
3Whatever you do, I will support you.==No matter what you do, I will support you.
4Whoever you may be, I will not let you in. ===No matter who you may be, I will not let you
in.
5However difficult it may be, we will overcome it. === No matter how difficult it may be, we
will overcome it.
注意：
一般情況下，although等於though, even if等於even though, however等於no matter how,wh-ever等於 no
matterwh-．
F 方式狀語從句:
連接方式狀語從句的連接詞有：as, as if, as though.
1You should do your homework as Tom did.
2Jerry was lying on the bed as if (as though) he was very tired.
注意：
通常情況下，as if等於as though.
G 目的狀語從句:
連接目的狀語從句的連接詞有：so that, in order that.
1Cherry was walking quickly so that (in order that) she could arrived at the cinema in time.
2John sent the mail by air in order that (so that) it might arrive a little early.
注意：
通常情況下，so that 等於in order that.
H 結果狀語從句：
連接結果狀語從句的連接詞有：so…that, such…that.
{ He ran so fast that we couldn』t keep up with him.
She spoke English so clearly that all of us could understand her.
{ She is such a nice teacher that all of us love her.
She is a so nice teacher that all of us love her.
{ The chef cooked such nice food that we ate up at the end of the dinner.
The chef cooked so nice food that we ate up at the end of the dinner.
{ These were such interesting books that we kept reading until the end of the class.
These were so interesting books that we kept reading until the end of the class.
注意區別：
{ such + a + 形容詞+ 可數名詞單數 + that 或 such + 形容詞 +可數名詞復數或不可數名詞 + that
a + so + 形容詞 +可數名詞單數 + that 或so + 形容詞 +可數名詞復數或不可數名詞 + that