【優英語】煩人的狀語從句

優能中學

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引導詞：When, whenever, as, while, before, after, until (till), since, as soon as, once

each/every time, next time, the first/…time, the moment, the minute, instantly, immediately, directly　(一…就…), no sooner…than, hardly/scarcely…when

考查重點：

1)when的用法：was doing…when, be about to do… when

「正在做某事/正要做….突然發生另一件事」。

2.)幾種特殊句型與強調結構的區別：

It is + 時刻 + when…

It is/has been + 段時 + since（謂語動詞一般為過去時） …

It will be/was + 段時 + before (現在時/過去時).「過一段時間…才」

3).before的用法：

A：表「還未來得及…就…」

B：表「過一段時間才…」，

4).until的用法：在not…until結構中，謂語用短暫性動詞， 「直到…才」;謂語為延續性動詞，用until表「一直持續到…」。

5) no sooner…than，hardly/scarcely…when 剛……就

A. 時態：主句用過去完成時（had + pp）從句用一般過去時

B. 倒裝： no sooner/hardly/scarcely放句首，主句要倒裝

She had no sooner arrived at the station than the train started to move.

No sooner had she arrived at the station than ….

He had hardly entered the hotel when it began to snow.

Hardly had he entered the hotel when it began to snow

2.原因狀語從句

引導詞：because, since, as, for, now( that), considering (that), seeing (that)

考查重點：because, since, as, for

because—直接原因，非推斷．語氣最強．回答why

since – 通常放句首．譯為「既然」

as– 不談自明的原因，語氣最弱．

for– 放句中，對前面一句話的內容的補充說明 。

引導詞：where、wherever。where 指「在某個地方」，wherever 指「無論哪裡，在任何一個地方」，在使用時：一要注意兩者的含義區別。二要注意狀語從句和定語從句的區別。三要注意在狀語從句中不可使用介詞+which引導。出題者既考狀語從句又考定語從句和狀語從句的區別。還加入名詞性從句這一幹擾項。

引導詞：in case, so that, in order that, for fear that。 So that引導狀語從句只能置於主句之後。In order that引導狀語從句可放主句之前或之後。目的狀語從句的謂語常含有can，could，may，might情態動詞。這也是與結果狀語從句的一個區別。引導結果狀語從句的連詞有：so that，so…that，such…that.結果狀語放在主句之後。

注意：在so…that，such…that結構中一般成分齊全。這也是與as引導定語從句的區別。在so…as，such…as 這一結構中，as引導定語從句，在句中做成分。

引導詞：if ，as/so long as， as far as，unless，in case（如果）

條件狀語從句一般考查三點：

1)在條件狀語從句中常用一般現在時表示一般將來時，用一般過去時表過去將來時。

2)if，unless，in case是考查重點。

3)when還可表條件，這一點不可忽視。意思是：既然，考慮到。如：

How can they learn anything when they spend all their spare time，watching television？他們把所有空閒的時間都用來看電視了，還能學到什麼東西呢？

引導詞：though /although「儘管」，even if /even ，though「即使」，no matter how(what，when，which，who，where)，however(whatever，whenever，whichever，whoever，wherever), as「儘管」

1)although與though可互換，都可以與yet，still連用，但不能和but連用。

2)However引導讓步狀語從句時後緊跟形容詞或副詞。

3)While也可引導讓步狀語從句，這一點特容易被考生忽視。

4)Whatever修飾名詞，「無論什麼」，however修飾形容詞、副詞，「無論多麼，無論怎麼」。

5)even if/even though(即使)與as if/as though(好像)這兩組學生容易混淆，也是出題者關注的對象，平時要記準含義。

引導詞：than / as—注意省略

as／like，as if/as though

The project was completed earlier than (it was) expected.

He worked as fast as a skilled worker (worked).

Repeat this as often as (it) is necessary.

Then see a doctor as soon as (it is) possible.

Do you have to feed plants like you feed chickens?

Do it like I tell you.

知識拓展：注意狀語從句的省略。

狀語從句題目

1 .I got up early ______ I could catch the first bus.

A. so

B. because

C. so that

D. when

2. He was _____ excited _____ he could not speak.

A. such；that

B. so；that

C. too；to

D. not enough；to

3. He was late for school ________ he helped an old woman go home on his way to school.

A. so that

B. because

C. yet

D. but

4. My mother didn't go to bed ______ father came back last night.

A. after

B. when

C. until

D. since

5._______ Mr. Smith didn't feel well, he still came to give us lessons.

A. So

B. Because

C. Though

D. As

6.______ he is very young, _____ he knows much.

A. Although；but

B. Although；\

C. \ ；because

D. As；\

7. We were watching TV ______ we caught sight of a friend of ours .

A. as soon as

B. while

C. when

D. once

8. _______ reason you may give , you ought not to have left homework unfinished.

A. What

B. No matter

C. However

D. Whatever

9. I'll lend you my car _______ you return it intact.

A. so far as

B. as long as

C. unless

D. until

10. It was _______ that they planned to have a picnic.

A. such fine weather

B. so fine a weather

C. such a fine weather as

D. such a fine weather

11. Smith has made _______ that we are all surprised .

A. such much progress

B. so fine a progress

C. such a great progress as

D. so much progress

12. _______I know , the computer can never take the place of the human brain.

A. As for

B. As long as

C. So far for

D. So /As far as

13. _______ you have got used to it ,you'll like it .

A. While

B. On the condition

C. Once

D. Unless

14. He always talks _______ he had been to outer space.

A. like

B. as if /though

C. because of

D. as

15. He was walking along the sands_______ he saw a big foot-print in the sand.

A. while

B. when

C. as

D. after

16. _______ he was sleeping, they stole his clothes.

A. While

B. When

C. As

D. Which

17. Jack was very tired _______ he played tennis all afternoon .

A. if

B. as soon as

C. because

D. before

18. ______ he finished his work, he left hurriedly.

A. As soon as

B. As if

C. Unless

D. In order that

19. You'll surly make progress _______ you work with a strong will.

A. unless

B. until

C. as long as

D. as well as

20. I'll leave him a note _______ he'll know where we are.

A. so that

B. so as

C. in order

D. for

參考答案

1-5 CBBCC 6-10 BCDBA

11-15 ADCBB 16-20 ACACA

優能中學

唯一專注於中學生課外輔導的旗艦品牌！