高中英語語法狀語從句歸納總結

1、狀語從句分類:種類連接詞注意區(qū)別：時間狀語when/whenever/while/as/before/after/instantly/until/till/by the time /as soon as/hardlywhen/no sooner than/the moment/the minute/immediately有一些表示時間的名詞短語也可用來引導時間狀語從 句：the?minute,?the?moment,?every?time,?the?first?time例：The?moment?he?reached?the?country,?he?started?his?search.他一到達

2、這個國家，就開始他的探尋工作。有一些表示時間的副詞也可用來引導時間狀語從句：directly例：Directly?the?master?came?in,?everyone?was?quiet.校長一進來，？大家就安靜卜來as和 when、while :as, when引導短暫性動作的動詞。當從句的動作發(fā)生丁主句動作之前，只能用 when引導這個從句， 不口用as或 while, 從句表示"隨時間推移"連詞能用as,不用when或while。till/until 和 nottill/until :until引用于句首，叫till通常不用于句首。地點where狀語the sam

3、e a站構）方式狀語as if, as though, as, （just）as-sQas if和as though引導的從句一般用虛擬語氣。讓步狀語Though/although/even if/even though/ asadv.+that （如此以致）so that （結果）such+n.+that （如果以致）that （所以，因此）讓步狀語從句：though/although不可同but連用。though/although （雖然） however （可是） even though/if （即使）no matter+what/which/where/who/when =whatev

4、er/whichever/wherever/whoever/whenever（不論什么/哪一個/哪里/誰/何時）比較狀語從句：as （正如）asas （和一樣） not as/so as不如 ）than （比更）the+比較級 +the+比較級（越越）條件狀語從句：if （假設） unless （如果不）so long as （只要） on condition that （如果）方式狀語從句：as （像那樣地） just as （正像）as if （好像）as though （好像）四.各種狀語從句的簡化方法:狀由when/while/as/once/whenever引導的時間狀語從句當主句的

5、主語和從語由if/unless引導的條件狀語從句句的主語一致時，且 謂語動詞為be,常省從 句由 though/although/even though/even if 引導的讓步狀語從句略從句的主語和謂語be.由because引導的原因狀語從句由wherever引導的地點狀語從句1.2.以after和before引導的狀語從句的主語若與主句主語一致時，從句等于after/before+doing sth.作狀語。例： After she sang she left the rich man's house = After singing , she left the rich man

6、's house 3.4.以as soon a¥l導的狀語從句的主語若與主句主語一致時，從句等于on+doing sth.,作狀語，止匕時的動詞為非延續(xù)性動詞。例： Mary began to operate on the wounded soldiers as soon as he arrived at the village=Mary began to operate on the wounded soldiers on arriving at the villag e5 .6 .時間狀語從句和條件狀語從句的主語和主句主語一致時，有時可簡化為不定式作狀語。例：She st

7、opped when she saw her husband = She stopped to see her husbandIf you want to understand the farmers you must go to the countryside=To understand the farmers you must go to the countryside 7.8.結果狀語從句和目的狀語從句的主語與主句主語一致時，可以簡化為不定式作狀語；若兩者主語不一致時，則應簡化為不定式的復合結構作狀語。例：He was so tired that he couldn't go a

8、ny further = He was too tired to go any furtherI came here so that I could ask some question s= I came here(in order) to ask some question s 9.10. 以when,while引導的時間狀語從句和以if引導的條件狀語從句的主語若與主句主語一致 時，從句等于when/while/if +doing sth.作狀語，表示謂語動作發(fā)生在該狀語動作的進行過程之中。例： When he turned on the radio he found it broken.

9、= When turning on the radio, he found it broken. While she was walking along the street she was hit by a car = While walking along the street, she was hit by a car.11. .原因狀語從句的主語與主句主語一致時，可簡化為分詞短語作狀語。例：Since l didn't know Chinese, I tried to speak to her in English. = Not knowing Chinese, I tried

10、 to speak to her in English注意：形容詞短語也可作表示原因的狀語，來代替原因狀語從句，放在句首、句末均可，但一般 應加逗號。例： As he was thirsty and eager to get a little rest he went into the tea-house=Thirsty and eager to get a little rest he went into the tea-house12. 在時間、原因、條件等狀語從句中，若從句和主句主語不一致時，可簡化為分詞復合結構作狀語。有時也可簡化為“with/without名詞或代t十分詞(短語)&#

11、39;形式作狀語。例： When the film start appeared, the children got exited = The film start appearing, the children got exited.If all the work is done, you can have a rest = With all the work done, you can have a rest Nothing can live if there is no air. = Nothing can live without air.13. 讓步狀語從句的主語與主句主語一致時，可

12、簡化為分詞短語作狀語；不一致時，常簡化為with或in spite of介詞短語作狀語。例： Although he faced his death he didn't say anything before the enemy=Facing the death, he didn't say anything before the enemy.Although there was danger he rushed out to carry the boy to safety=In spite of danger, he rushed out to carry the boy t

13、o safety三.表示"一就一"的結構hardly/scarcelywhen/before, no sooner-than 和 as soon astB可以表示"就”的意思, 例：I had hardly / scarcely got home when it began to rain.I had no sooner got home than it began to rain.As soon as I got home, it began to rain.注意： 如果 hardly, scarcely 或 no sooner置于旬首，句子必須用倒裝結構：Ha

14、rdly / Scarcely had I got home when it began to rain.No sooner had I got home than it began to rain.四.As引導的讓步狀語從句的倒裝：1 .形容詞+as+主語+系動詞：例：Tired as he is, he offers to help me.盡管他已經很累了，他還是主動提出幫助我。2 .過去分詞+as+主語+系動詞：例： Well-known as the book is, the author is not satisfied and prepared to revise it.盡管這本書寫得很好，作者還是不滿意并打算修改它。3 .名詞+as+主語+系動詞：例：Student as he is, he does not st