盤點高考英語一輪復(fù)習(xí)八類最常考的狀語從句
狀語從句指句子用作狀語時，起副詞作用的句子，為此育路網(wǎng)整理了最常考的狀語從句，請考生掌握。
一、in case引導(dǎo)的狀語從句
根據(jù)語境的不同，in case既可表示“如果”“萬一”，引導(dǎo)條件狀語從句;也可表示“以防(萬一)”，引導(dǎo)目的狀語從句。下面兩道真題均選in case：
1. Leave your key with a neighbor ______ you lock yourself out one day. (北京卷)
A. ever since B. even if C. soon after D. in case
2. My parents live in a small village. They always keep candles in the house ______ there is a power cut. (重慶卷)
A. if B. unless C. in case D. so that
【解析】兩道題都選in case，均表示“以防萬一”。
二、before引導(dǎo)的狀語從句
尤其要注意“it+be+一段時間+before…”這一句型。如：
1. The field research will take Joan and Paul about five months; it will be a long time ______ we meet them again. (安徽卷)
A. after B. before C. since D. when
2. He was told that it would be at least three more months ______ he could recover and return to work. (江西卷)
A. when B. before C. since D. that
【解析】兩道題均before。第1題涉及的句式為：It will be a long time before…，意思是“要過很久才會……”;第2題涉及的句式為：it was some time before…，意思是“在……之前過了一段時間”，通�？赊D(zhuǎn)譯為“要過一段時間才會……”。
三、while引導(dǎo)的狀語從句
尤其要注意while表示“盡管”“雖然”時的用法(此時它引導(dǎo)的不是時間狀語從句，而是讓步狀語從句——此用法許多同學(xué)并不熟悉，值得特別注意!)。如：
______ I really don’t like art, I find his work impressive. (山東卷)
A. As B. Since C. If D. While
【解析】答案選D。while在此表示“盡管”“雖然”，又如：While the work was difficult, it was interesting. 盡管工作有難度，但很有趣。/While I understand what you say, I can’t agree with you. 雖然我理解你的意思，但我還是不同意。
另外，while表示對比的用法也值得注意(此時它表示“而”)。如：
The cost of living in Glasgow is among the lowest in Britain, ______ the quality of life is probably one of the highest. (天津卷)
A. since B. when C. as D. while
四、when引導(dǎo)的狀語從句
對于when的用法，同學(xué)們最熟悉的是表示“當(dāng)……的時候”。如：
—Where’s that report?
—I brought it to you ______ you were in Mr. Black’s office yesterday. (北京卷)
A. if B. when C. because D. before
【解析】答案選B。將四個選項逐一填入空格處，只有填when時，意思最通順。句意為：當(dāng)你昨天在布萊克先生辦公室時我就帶給你了。
但是when還有一個用法，就是表示“既然”。如：
Why do you want a new job ___D___ you’ve got such a good one already?
A. that B. where C. which D. when
還有一點也需注意，就是when表示“這時(突然)”的用法。如：
1. I had just stepped out of the bathroom and was busily drying myself with a towel ___B___ I heard the steps. (湖南卷)
A. while B. when C. since D. after
2. He was about halfway through his meal ___C___ a familiar voice came to his ears. (遼寧卷)
A. why B. where C. when D. while
五、unless引導(dǎo)的狀語從句
unless的意思是“如果不……”“除非”，對于涉及unless的考題，一般只要能讀懂句意，弄清語境，一般不會有問題。如：
1. Most birds find it safe to sleep in the trees, but ______ they have eggs or young chicks, they don’t use a nest. (湖南卷)
A. why B. how C. unless D. where
2. I won’t call you, ______ something unexpected happens. (全國I)
A. unless B. whether C. because D. while
【解析】兩道題都選unless，均表示“除非”。
六、until引導(dǎo)的狀語從句
until的意思是“直到……時”“在……之前”，對于涉及until的考題，一般只要能讀懂句意，弄清語境，一般不會有問題。如：
It is difficult for us to learn a lesson in life ___A___ we’ve actually had that lesson. (天津卷)
A. until B. after C. since D. when
另外，還要注意not…until…這一句式(直到……才)。如：
“You can’t have this football back ___D___ you promise not to kick it at my cat again,” the old man said firmly. (廣東卷)
A. because B. since C. when D. until
七、once引導(dǎo)的狀語從句
once的意思是“一旦”，對于涉及once的考題，一般只要能讀懂句意，弄清語境，一般不會有問題。如：
1. You will be successful in the interview ______ you have confidence. (福建卷)
A. before B. once C. until D. though
2. ______ environmental damage is done, it takes many years for the ecosystem (生態(tài)系統(tǒng)) to recover. (江蘇卷)
A. Even if B. If only C. While D. Once
【解析】兩道題都選once，均表示“一旦”。
八、where引導(dǎo)的狀語從句
where可以用于引導(dǎo)地點狀語從句，其意為“在……的地方”，此用法許多同學(xué)都不是熟悉，但高考經(jīng)�？疾椋瑧�(yīng)引起特別注意。如：
1. If you are traveling ______ the customs are really foreign to your own, please do as the Romans do. (天津卷)
A. in which B. what C. when D. where
2. —Mom, what did your doctor say?
—He advised me to live ______ the air is fresher. (四川卷)
A. in where B. in which C. the place where D. where
【解析】兩道題都選where，均表示“在……的地方”。
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(責(zé)任編輯：郭峰)
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