高考英語中最�？嫉陌祟悹钫Z從句

狀語從句是高考英語的必考考點，綜觀近年來各省市狀語從句的考題情況，我們發現以下八類狀語從句特別值得關注：

一、in case引導的狀語從句

根據語境的不同，in case既可表示“如果”“萬一”，引導條件狀語從句；也可表示“以防(萬一)”，引導目的狀語從句。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譯為“要過一段時間才會……”。

三、while引導的狀語從句

尤其要注意while表示“盡管”“雖然”時的用法（此時它引導的不是時間狀語從句，而是讓步狀語從句——此用法許多同學并不熟悉，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引導的狀語從句

對于when的用法，同學們最熟悉的是表示“當……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

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