高考英語複習知識點:數詞、代詞與連詞
代詞在近幾年高考試題中的復現率為100%,每年至少測試一道題。測試代詞常用對話形式,構成特定語境,考查考生靈活運用代詞的能力。以下是本站小編為大家編輯的英語學習方法文章,僅供考生參考,歡迎大家閲讀!
高考英語複習知識點:代詞
代詞指代的範圍、作主語時主謂一致的用法、易混不定代詞的細微差別都是高考的必考點。其中不定代詞one,the one,ones與that,those,it的用法區別。
考點一? 考查one(s), that, those, it的用法
[考點解讀]
● one泛指一個人或物?其複數形式為ones? one和the one作同位語時,如果與其同位的詞語是特指,則用the one;如果是泛指,則用one,?
● that指代前面提到過的名詞,常有後置定語? that的複數形式是those? that可指代單數可數名詞(= the one), 也可指代不可數名詞,或指代前面提到過的一件事?
● it可指代前面提到過的一個名詞,如例7;指代一件事,如例8;指代不明性別的嬰兒或不明確的人,也可指代時間?天氣?距離等0?
二? 考查all, both, either, neither, none, no one的用法
[考點解讀]
● both表示兩個人或物都,具有肯定含義; either表示兩者中的任何一個,如例13; neither表示兩者都不?
● all表示全部,指三者或三者以上的人或物,;all也可籠統地表示一切,所有, none表示三者或三者以上的人或物的全部否定,在與of連用或回答how many/much的提問時只能用none, no one表示沒有一個人,
三? 考查another, the other, others, the others的用法
[考點解讀]
● another泛指三個或三個以上的人或物中不確定的另一個,如例19? another還可以作形容詞,表示另一個的
● the other指已知的兩個人或物中的另一個
● others和other + 名詞均泛指別的人或物
● the others指一定範圍內其餘的人或物,如例23?如果被指代的名詞是不可數名詞,則用the rest替代,
四? 考查(a) little, (a) few, some, any的用法
[考點解讀]
● few和little可用作代詞和形容詞? few和a few可以修飾或代替可數名詞複數? few有否定含義, a few有肯定含義, little和a little可以修飾或代替不可數名詞? little有否定含義, a little含肯定含義?
● some和any表示一些,可用作代詞和形容詞? some用於肯定句,例31; any用於否定句?疑問句和條件句中, some也可用於疑問句,如例32和例33; any也可用於肯定陳述句中,表示任何一個。
五? 考查something, somebody, someone, anything, anybody, anyone, nothing, nobody, everything, everybody的用法及它們與else的搭配
[考點解讀]
● 由some和any構成的不定代詞的用法和some和any的用法基本一致?
● nothing和nobody/no one表示全部否定?
● 無論在肯定句?否定句還是疑問句中, everything和everyone (everybody) 都表示全部,所有?
● 不定代詞後跟else時,表示另外的,其他的形容詞修飾something/anything/nothing時,應置於不定代詞之後?以上不定代詞連寫時,不和of連用,every one可和of連用?
【精選試題】 名校模擬題及其答案
1. I agree with most of what you said, but I dont agree with ______.
A. everything B. anything
C. something D. nothing
2. What do you think of them? I dont know _____ is better, so Ive taken _____ of them.
A. what, both B. what, none
C. which, both C. which, none
3. Would you like a cup of coffee or a glass of beer? ____ will do, but milk is _____ popular with me.
A. Neither, not B. Both, more
C. Either, the most D. All, the most
4. I read about it in some book or other, does it matter _____ it was?
A. where B. what
C. how D. which
5Who told you? Oh, somebody or other, Ive forgotten _____.
A. what B. when
C. which D. who
of the students were late for the meeting, but I cant remember _____.
A. what B. when
C. which D. whom
7. These trousers are dirty and wet Ill change into my _____.
A. another B. trousers
C. others D. other
8. Her lecture was hard to follow because she kept jumping from one subject to _____.
A. other B. the other
C. the others D. another
9. There are four bedrooms, ______ with its own bathroom.
A. all B. each
C. every D. either
10. Its said that he is a wise leader. Oh, no, he is _____ but a wise leader.
A. anything B. anyone
C. anybody D. anywhere
11.I didnt make clear when and where the sports meet would be held.
B that C it D one
12 To tell you the ly dont like when people talk with you with their eyes stating into the sky.
h B that C it
13.一Which one can I take?
一You can take of them;Ill keep none.
er
14.一Which coat would you ?
一Ill take ,to have n change sometimes.
hem
dl them D them b0Ih
movie is boring;it is,in fact,rather exeiting and interesting
A anything but B nothing but C no more D all but
16 Alan sold most of his has hardly left in the house
ything hing ing D something
17.I have been lived in Shanghai for two havent covered of the city
hing
C many D plenty
kept looking behind to see if she was being followed
A her elf own
of us want very much to see these recommended movies,especially you referred to jusl now.
A as B which C the one D that
a studem can make what has been learned whether in class of from social practice ,he will make steady progress.
A he B him C himself D his
21.一Do you want tea or coffee?
一 really dont mind
B Neither C Either D All
manager believes prices will not rise by more than four percent.
other B the other C another D other
manager was very angry,for he had sent his business partner two thousand machines yesterdy,half of unqualified.
B what C them h
24一Did you visit many places while you were in Canada?
一Yes,
quite B only few afew D quite few
25 In somecountries, is callede quality does not really mean equal rights for all people
A that B what C which D how
26一May I have a glass of se?
一Beer?Sorry,there is left,but would you mind having,some juice instead?
A none one C nothing D few
27.一When can we goto visit you?
一Anytime you feel like
B it C so D thal
28 We need a more capable leader, with strong will as well as good humour.
A who h
number 2008 is a special number, I think,that will be remembered hy the Chinese forever.
h B what C one
30.一How do you like his wife?
一She is like a good housekeeper,for the childrens room is always in a terrible mess.
A Somebody B nobody C something ing
答案與解析
1【解析】此題應選 A,注意前文的 I agree with most of what you said(我同意你説的大部分內容),其後的not 與 everything 構成部分否定,意為不是所有的都同意,前後兩部分用轉折連詞 but 連接,語氣通順、連貫。
2【解析】最佳答案為C。做好此題的關鍵是要注意句中的 better 一詞,由於better 用的是比較級,説明比較的對象應是兩者,由此可推知第二空應填both;另一方面,由於所談論的是兩者,説明選擇範圍比較窄、比較明確,所以第一空應填 which。
3【解析】做對此題的關鍵是要注意到下文提到的 milk既不是 coffee 也不是 beer,而是除這兩者外的第三者,故第二空應填 the most,即此題最佳答案為C。
4【解析】此題答案選D,主要與上文的some book or other (某一本書)這一語境有關,全句句意為:我在某一本書上讀到過它,是哪一本書這很重要嗎?
5【解析】此題最佳答案為D。句意為:誰告訴你的?噢,有個人,我忘記是哪一個了。
6【解析】此題最佳答案為C。句意為有些學生開會遲到了,但我不記得是哪些學生了。
7【解析】最佳答案為C。是從語法上看,another 後通常接單數名詞,而不接trousers 這樣的複數名詞(若用 another pair 則可以);也不能選 trousers 是因為填它句子意思不通。最佳答案應選C,others 相當於 other trousers,其中的 other 與前面的 these 相對照。
8【解析】最佳答案為D。使用one the other 時,我們通常是針對兩者而言的,即指兩者中的一個,另一個如果所談論的情況不是針對兩者而言的,而是針對多者而言的,那麼我們就不宜在 one 後使用 the other,而考慮用 another。
9【解析】此題容易誤選A,認為既然前面出現了 four bedrooms,故填 all 與之對應。其實,此題的最佳答案應為B,原因是空格後的隱藏信息 its,它表示空格處應填一個單數代詞,但是不能選C,因為 every 不能這樣單獨使用。
10【解析】正確答案應選A。因為 anything but 是習語,意為根本不是或一點也不,不僅可用於事物,也可用於人。如:
Ill do anything but that. 我絕不會幹那種事。
The party was anything but a success. 晚會根本不成功。
Her father was anything but a poet. 她父親根本不是詩人。
Such a man was anything but a hero. 那樣的人絕不算英雄。
11 C。【解析】it代替後面的when and where引導的從句。其他選項均無此用法。
12 C。【解析】考查代詞。1t指代空格後面的內容。
13 D。【解析】考查不定代詞的用法。句中的none説明所拿走的東西至少有三個,而且後句表示可以全部拿走,所以答案選D。
14 D。【解析】句中的prefer説明是在兩者之間進行選擇,排除A、B。both修飾代詞或名詞應為botll of them或they both。所以答案應為D。
15 A。【解析】考查代詞短語。anything but t表示根本不,決不;nothing but僅僅,只有,all but幾乎,差不多。由下文實際上,這個電影相當令人興奮和有趣可知,上句應為這個電影根本不乏味。故答案選A。
16 B。【解析】從題意可知把大部分財產都變賣了,房裏幾乎沒有什幺東西了。用anything與否定詞連用,hardly anything=nothing,故答案選B。
17 B。【解析】表示整體中的一部分,且這個整體是單數或不可數名詞時,前面的代詞用much。故答案選B。
18.B。【解析】此處表示往自己身後看.故用反身代詞作賓語。
19 C。【解析】考查代詞的用法。The one特指you referred to jusl now.。
20 D。【解析】句意為如果一個學生能將無論是通過課堂還是社會實踐學到的東西變成自己的東西,他將會取得穩定的進步。此處是名詞性物主代詞,作賓語補足語。故答案選D。
2l C。【解析】考查代詞none,neither,either,all的用法。根據上句可知,此處是在兩者之間進行選擇,而且從後一句的我真的不介意可知回答者的意思是兩者中哪一個都可以,所以答案選C。
22 C。【解析】考查不定代詞的用法。題幹中的意思是價格不會再增長超過4%。any other任一其他的;the other(兩者中)另外一個;another另外.又,放在數詞前面;other表示另外,和more一樣,要放在數字的後面。故答案選C。
23 C。【解析】考查人稱代詞作獨立主格的邏輯主語。句意:經理非常生氣,因為他已發給他商業夥伴兩千台機器,其中一半有質量問題。half of unqualified.是獨立主格結構,half of 是unqualified的邏輯主語,of是介詞,所以此處要用賓格。
24 C。【解析】quite修飾名詞時要放在冠詞前,排除選項A,選項B、D都表示幾乎設有的意思,只有選項c表示有幾個。根據下句的肯定回答可知答案選c。
25 B。【解析】此處為what引導名詞性從句,what在從句中作主語。
26 A,【解析】此處none指代none of the beer,其他選項均不符合句意。
27 B。【解析】lt用來指代上文所提到的內容。
28.C。【解析】考查代詞辨析。此處應用one作a more capable leader的同位語。句意:我們需要一個更有能力的領導,一個意志堅定又富有幽默感的領導。
29 C。【解析】這裏one指代前面的a special number,hat will be remembered hy the Chinese forever.是修飾one的定語從句,I think是插入語。
30 D。【解析】根據下文for the childrens room is always in a terrible mess.可知,D為正確答案,考生應注意對She is nothing like a good housekeeper的正確理解,其意思是:她完全不像是一個好主婦。
高考英語複習知識點:數詞與連詞
數詞一般與其它知識綜合起來考察,比如倍數的表達方法,多個形容詞的排列順序等。近幾年語境綜合化程度越來越高。
連詞按其性質,分為並列連詞和從屬連詞,考點分佈在單項選擇?完形填空和短文改錯中?《英語教學大綱》和《考試大綱》語法項目表中對連詞的考查是這樣描述的:掌握詞彙表中所列連詞的用法?即要求考生分析句子成分,把握語境和邏輯關係,恰當選擇合適連詞,使句意通順,邏輯清楚?連接代詞或連接副詞用於名詞性從句,統稱連接詞?
連詞考點透析
考點一、?特殊並列連詞while/when
例1. I had just stepped out of the bathroom and was busily drying myself with a towel _______ I heard the steps. (2006年高考湖南卷)
A. while
B. when
C. since
D. after
例 like to study law at university _______ my cousin prefers geography. (2007年高考四川卷)
A. thoughB. as
C. while
D. for
[解析]B?C?作並列連詞時,when/while用法較為特殊,二者區別是:while表兩相對照;而when表突然?在那時,常見於be about to 和等句型中?
考點二、表示原因的連詞for/because/as/since
例 found it increasingly difficult to read, _____ his eyesight was beginning to fail.(2006年高考北京卷)
A. and
B. for
C. but
D. or
例y was very sad over the loss of the photos she had shot at Canada, ______ this was a memory she especially treasured. (2006年高考廣東卷)
A. as
B. if
C. when
D. where
例nts should take seriously their childrens requests for sunglasses ________ eye protection is necessary in sunny weather.(2004年高考上海卷)
A. because B. though
C. unless
D. if
例6._____ everybody knows about it, I dont want to talk any more.
A. For
B. Even
C. Since
D. However
[解析]B?A?A?C?引導原因連詞,as/because/ since/ for的區別是:because語勢最強,用來説明人所未知的原因,回答why提出的問題,可置於強調句中且其前可加修飾語; since是雙方都知曉原因或經過分析而得之的原因,語氣次之;for是並列連詞,前用逗號隔開,表邏輯推理或補充説明;as語氣最弱,原因是顯而易見的或已為人們所知,即已知原因,所引導的分句可置於句首?
考點三、並列連詞but/yet/though
例7. Excuse me for breaking in, ______ I have some news for you.
A. so
B. and
C. but
D. yet
[解析]C?but和yet 是連詞,可等同使用,但也有區別?yet與and連用,構成and yet,但but卻無此用法;在Excuse me/Im sorry/I hope you dont mindbut中,只用but,不用yet?因為在表示對照或對立時,but較為輕鬆自然;而yet卻較為強烈,常出人意料;though作並列連詞時,只能引導分句且其前須加逗號?例:Ill try to come, though I dont think I shall manage it.
考點四、引導名詞性從句的從屬連詞that/whether/if
例 traditional view is ______ we sleep because our brain is programmed to make us do so. (2007 年高考上海卷)
A. when
B. why
C. whether
D. that
例 havent settled the question of _____ it is necessary for him to study abroad. ( 2006年高考江蘇卷)
A. if
B. where
C. whetherD. that
[解析]D?C?引導名詞性從句的從屬連詞that與whether的區別是:句子成分完整且表意確定時選用that連接,句意不確定時選用whether/if連接;藉助it,將真正主語或賓語後置,構成Itthat句型,但whether/if不可;下列情形用whether不用if:與or not 連用,中間無其他詞隔開;作介詞賓語;在主語從句?表語從句和同位語從句中?例:
Whether well go camping tomorrow depends on the weather.
考點五、表示比較的從屬連詞what/as
例10. Engines are to machines ______ hearts are to animals. (2006年高考山東卷)
A. as
B. that
C. what
D. which
例11._____ I explained on the phone, your request will be considered at the next meeting.(2005年高考浙江卷)
A. WhenB. After
C. As
D. Since
例 a table! Ive never seen such a thing before. It is ________ it is long.(2005年高考湖北卷)
A. half not as wide as
B. wide not as half as
C. not half as wide as
D. as wide as not half
[解析]C?C?C?what用作從屬連詞,表比較,用於A is to B what C is to D結構中;而as表示原級比較,常用於結構中,程度修飾語應置於第一個as之前,嵌入的形容詞或副詞使用原級?另外as還表正如?按照,引導方式連詞?
考點六、表示條件的從屬連詞if /unless/as long as/once
例13. ________ I know the money is safe, I shall not worry about it.
A. Even thoughB. UnlessC. As long asD. While
例l sailboats can easily turn over in the water ____ they are not managed carefully.(2007年高考上海卷)
A. though
B. before
C. until
D. if
例 will be successful in the interview ____ you have confidence. (2007年高考福建卷)
A. before
B. once
C. until
D. though
例16.I wont call you, _____ something unexpected happens.(2007年考全國卷)
A. unlessB. whether C. becauseD. while
[解析]C?D?B?A?表條件的連詞if/unless/as long as/unless在用法上存在一些差異?as long as用法同only if/on condition that,強調某事的發生以另一事件的發生為前提;if為正面條件,可能會產生好的或壞的結果,若某種條件產生壞的結果,此時的if可用as long as替換; unless為反面條件,表示除非,如果不,故在真實條件句中常和ifnot換用;once既表時間,又包含條件,譯作一旦?
考點七、表示讓步的從屬連詞although/when/while
例17. We had to wait half an hour _______ we had already booked a table. (2007年高考遼寧卷)
A. sinceB. although
C. until
D. before
例18.______I really dont like art, I find his work impressive. (2007年高考山東卷)
A. As
B. Since
C. If
D. While
【解析】B?D?although/when/while均可表示讓步,後兩者的用法較為特殊?although/though引導讓步連詞時不與but和yet連用;而while卻表示部分接受,但並非全部,或用於強調兩種情況?活動等之間的差距when也可表示雖然,儘管,同even if,常置於句末?
【精選試題】 名校模擬題及其答案
a won 100 medals in the Beijing Olympic Games,which are almost those of the sydney Olypic Games.
A. twice as many as many as twice
much as twice D twice as much as
2. Hawking became world-famous in 。
A his thirties in the 1970s thirties in his 1970
thirties in 1970s thirties during the 1970
better hurry up. of the time used up.
A Two-thirds:are B Two-thirds;has been -third:is -thirds;have been
4.一What canI dofor you?
一Id like to take these tomatoes.
A two dozen of B two dozen dozens D two dozens of
5.一How long will you stay here?
一For .
A a day or two day and two
C one or two day D one and two day
6.I bought a big fridge,which ccupied about of the space in my kichen.
A two five B two-fifth nd fifth Dtwo-fifth
7. The weight of a male lion can reach 240kg, an adult man,while a lioness call reach up to 180kg
A the three times weght of e times the weisht of
three times heavy as e times as heavier as
8. he said he wasnt hungry at all,he ate a big breakfast.
A. Unless use gh
9. the Olympic Games cost us a lot,it bridged the distance between people and developed friendship.
e C If
10. the interview in Boston lasted so long,I missed my connecting flight to New York.
A Due to long as C As ite
government took measures in time to protect children who had taken Sanlu baby milk powder it was too late.
A now that B as long as C unless D before
12 As long as I call remember, I called,his wife would answer the phone.
A however B whenever C whatever hever
13. Countless people in developing countries no longer suffer from malnutrition. ,poverty remains a problem worldwide.
A While B Nevertheless des D In addition
sorry youve been waiting for us so long,but its still be some time the meeting starts.
A before B since C till D after
15.一Would you like to go to see the filmTHE KNOT with me?
一Sorry. I have seen it.
A though ss D but
16. Childrens brains cant develop properly they lack protein
A when B since C because D unless
17. the two are only days apart in age,they seem to belong to wholly different generatioas.
A While B If C As e
dont have much in their house yet.
一 theyplanning to live here only until Bob gets his degree,they dont want to buy much furniture.
e B While C Although D Aslong as
is just a word someone ecomes along and gives it meaning.
l C after D when
people, they are old or young,rich or poor,have been trying their best to help those in need since the disaster
A even if B whether C no matter D however
21. Shall we stop for lunch _____ shall we drive on? Lets stop for lunch, but the driver cant drink _____ drive.
A. and, and B. or, or
C. and, or D. or,and
22. _____ when does the pub stay open? About midnight.
A. Since...B. Before
C. Until...D. After
23. Would you like tea _____ coffee? _____, thanks.
A. or, No B. and, Either
C. or, Neither D. and, Each
24. He imagines that people dont like him, _____ they do.
A. and B. then
C. so D. but
25. I firmly believe _____ he said at the meeting was right.
A. that B. which
C. that what D. what that
26. Will you deliver, _____ do I have to come to the shop to collect the goods?
A. and B. or
C. so D. then
27 Id like to study law at university _______ my cousin prefers geography.
A. though
B. as
C. while
D. for
28(2007年高考北京卷) found it increasingly difficult to read, _____ his eyesight was beginning to fail.
A. and
B. for
C. but
D. or
29Excuse me for breaking in, ______ I have some news for you.
A. so
B. and
C. but
D. yet
30. The traditional view is ______ we sleep because our brain is programmed to make us do so.
A. when
B. why
C. whether
D. that
【答案與解析】
1 A。【解析】考查倍數表達法。此處符合A+謂語動詞+倍數十as+adj/adv(原級)+as+B結構。
2 A。【解析】考查數次的用法。in ones thirties意為在某人三十多歲時,in/during the 1970os意為在20世紀70年代。
3 B。【解析】考查分數的用法及主謂一致。分子大於二時分母的序數詞要加s。Two-thirds of time作主語,謂語動詞用單數,故答案選B。
4 A。【解析】dozen,score前面有基數詞時,dozen和score不能用複數形式,後面通常也不能接of。但當名詞前有the,those,these修飾時,則後面必須加上of,表示中的。故答案選A。
5 A。【解析】a day or two是習慣説法,意思是一兩天,也可以a day or two days。
6 D。【解析】考查分數的構成。分子大於二時分母的序數詞要加s。
7 B。【解析】考查倍數的表達方法。此處應運用倍數+the+名詞+of結構。
8 C。【解析】此處thought引導讓步狀語從句。句意:儘管他説不餓,但早餐他吃了很多。
9 B。【解析】考查連詞while的用法。根據語境可看出此處需要填人一個表示讓步意義的詞,whtle在此為從屬連詞,意為儘管。
10C。【解析】考查連詞as的用法。從題意看,前半句應該是原因,後面是結果。due to由於,表原因,是介詞短語,不能跟句子;So long as只要,引導讓步狀語從,ite儘管是介詞,不能跟句子;as意思是由於。故答案選C。
11 D。【解析】考查連詞before的用法。句意:在事態嚴重之前,我國政府及時採取措施來保護那些喝了三鹿嬰幼兒奶粉的孩子們。
12 B。【解析】whenever此處是無論何時的意思,相當於no matter when。
13 B。【解析】結合語境可知,B是正確答案。Nevertheless然而,不過。
14.A。【解析】考查連詞的用法。it11 still be some time before是一個句型,表示在之前有一段時間了。
15 D。【解析】考查連詞的用法。句意:一你和我一起去看電影《雲水謠》好嗎?一對不起,我已經看過丁。根據題意可知,答案應該選D。
16 A。【解析】本題中when引導的是一個條件狀語從句,相當於if。句意:如果孩子缺少蛋白質,他們的大腦就會發育不良},
17 A。【解析】考查連詞while的用法。句意:儘管這兩個人的年齡只有幾天之差,但是看起來完全不像是一代人。
18 D。【解析】考查連詞since的用法。根據題意可知,此處表原因,故答案選D。
19 B。【解析】untill直到為止。句意:愛只是一個字,直到某人出現並給予它真正的內涵。
20 B。【解析】考查固定措配whetheror的用法,句意:自從那次災難以後,所有的人,不論老人還是年輕人、富人還是窮人,都在努力幫助那些需要幫助的人。
21.【解析】選D,第一空填 or,表選擇;第二空填 and,cant drink and drive 指不能同時既喝酒又開車,即不能酒後開車。
22.【解析】選C,句意為這家酒店開門到什麼?(或這家酒店什麼時候關門?)
23. 【解析】選C,選項A用No來回答選擇疑問句,不妥;選項B用 and 連接 tea 與 coffee,説明問句並非提供選擇,而答語卻用了 either 這樣表選擇性的詞語,也不妥;選項D與語境不符。
24. 【解析】 選D,前後意思轉折,故選 but.注:but they do = but they like him.
25【解析】選C,that 為引導賓語從句的連詞,在 that what he said at the meeting was right 這一賓語從句中,又包含有what he said at the meeting 這一主語從句,而在該主語從句中,what用作動詞 said 的賓語。
26【解析】選B,or 表選擇。
27 [解析] C?作並列連詞時,when/while用法較為特殊,二者區別是:while表兩相對照;而when表突然?在那時,常見於be about to 和等句型中?
28 [解析]B引導原因連詞,as/because/ since/ for的區別是:because語勢最強,用來説明人所未知的原因,回答why提出的問題,可置於強調句中且其前可加修飾語; since是雙方都知曉原因或經過分析而得之的原因,語氣次之;for是並列連詞,前用逗號隔開,表邏輯推理或補充説明;as語氣最弱,原因是顯而易見的或已為人們所知,即已知原因,所引導的分句可置於句首?
29[解析]C?but和yet 是連詞,可等同使用,但也有區別?yet與and連用,構成and yet,但but卻無此用法;在Excuse me/Im sorry/I hope you dont mindbut中,只用but,不用yet?因為在表示對照或對立時,but較為輕鬆自然;而yet卻較為強烈,常出人意料;though作並列連詞時,只能引導分句且其前須加逗號?例:Ill try to come, though I dont think I shall manage it.
30. [解析]D引導名詞性從句的從屬連詞that與whether的區別是:句子成分完整且表意確定時選用that連接,句意不確定時選用whether/if連接;藉助it,將真正主語或賓語後置,構成Itthat句型,但whether/if不可;下列情形用whether不用if:與or not 連用,中間無其他詞隔開;作介詞賓語;在主語從句?表語從句和同位語從句中?