中考英語(yǔ)專(zhuān)題知識(shí)點(diǎn)考點(diǎn)系列復(fù)習(xí)訓(xùn)練題及答案解析(珍藏版)：36連詞whether或if引導(dǎo)的賓語(yǔ)從句

1、考點(diǎn)三十六連詞 whether或if引導(dǎo)的賓語(yǔ)從句if/whether引導(dǎo)的賓語(yǔ)從句當(dāng)從句部分是一般疑問(wèn)句或選擇疑問(wèn)句時(shí)，常用if或whether引導(dǎo)賓語(yǔ)從句，if/whether意為是否。說(shuō)明對(duì)陳述的事物不明確或不清楚。常用在see，ask，say，learn，tell，wonder，doubt，find out，be uncertain /doubtful / be not known 等后，二者通?？梢曰Q?？谡Z(yǔ)中多用if代替whether。在非正式的寫(xiě)作中，可以使用if 或 whether 兩個(gè)詞來(lái)表達(dá)不定性，兩者都算標(biāo)準(zhǔn)。I wonder if/whether he is a dri

2、ver. 我想知道他是不是個(gè)司機(jī)。Alice wants to know if/whether she has passed the exam. 愛(ài)麗絲想知道她是否考試及格了。Lily asked if/whether she liked it. 莉莉問(wèn)她是否喜歡它。 I want to know if (whether) he lives there. 我想知道他是否住在這兒。 He asked me whether (if) I could help him. 他問(wèn)我是否可以幫助他。【拓展】一般情況下，if和whether可互換，在口語(yǔ)中多用if， 而在以下幾種情況下，只能用whether

3、。1. 與 or 連用分別引導(dǎo)兩個(gè)從句時(shí)，或強(qiáng)調(diào)兩方面的選擇, 特別是句中有or not時(shí)用whether，不用if。I dont know whether or not they will come. 我不知道他們是否會(huì)來(lái)。I dont know whether he is wrong or she is wrong. Let me know whether you can come or not.Idontknowwhetherhewillwinornot.IwillwritetoyouwhetherornotIcancome/whetherIcancomeornot.2. 在動(dòng)詞不定式之

4、前只能用whether。He dosent know whether to go or not. 他不知道是否會(huì)去。Please tell us whether to go there or stay here. 請(qǐng)告訴我們是去那里還是待在這里。 Whether to go or stay is still a question. Im not sure whether to stay or leave. I didnt know whether to laugh or to cry.3. 在介詞之后只能用whether引導(dǎo)賓語(yǔ)從句，而If則不能。It depends on whether I

5、 have enough time. 那取決于我是否有足夠的時(shí)間。Success depends on whether we make enough effort. I havent settled the question of whether Ill go back home. It depends on whether the letter arrives in time.I worry about whether I hurt her feelings.4. 賓語(yǔ)從句置于句首表示強(qiáng)調(diào)時(shí)，用whether，不用if。Whether this is true, I cant say. Wh

6、ether he is single, I dont know.Whether this is true, I cant say. Whether he is single, I dont know.5. 在某些動(dòng)詞（如discuss，decide）之后，只能用whether，而不用if引導(dǎo)賓語(yǔ)從句。We discussed whether we should close the shop. （虛擬語(yǔ)氣） We discussed whether we should go there by plane.（虛擬語(yǔ)氣） We discussed whether we should hold a m

7、eeting. （虛擬語(yǔ)氣） 6. 在引導(dǎo)否定概念賓語(yǔ)從句時(shí)，只能用if，而不用whether。學(xué)He asked me if I hadnt finished my work. 注意：doubt否定句用that引導(dǎo)。因?yàn)閐ont doubt 意為相信，不懷疑，if是否表示疑慮。1. Can you spare time to come to our Thanksgiving party? Well, I dont know _. A. that I can finish my work by then B. if can I finish the work by then C. whethe

8、r I can finish the work by then D. that can I finish the work by then2. I hope you do not mind my asking, but I wonder _ it may be possible for me to share the room with you. A. that B. if C. which D. how3. Im not sure _ the highway will close soon. Lets set off earlier. A. whether B. when C. how D.

9、 why4. David asked me _. A. if I will be free that day B. whether or not I would be free that day C. where do I come from D. when will I leave here5. Could you please tell me _? Yes, sure. A. if there is a bookshop near here B. where can I buy a stamp C. when will the next bus arrive D. you like to

10、eat what6. Im not sure _ there are living things on other planets or not. Even scientists arent sure about it. A. whether B. where C. why D. that1. （2018 河南中考）The words racecar, kayak and level are the same _ they are read left tonight or right to left. A. since B. though C. unless D. whether2.（2017

11、四川成都）Hi, Amy, you live on Center Street. Can you tell me _? Sure. There is one called Grandmas Home. A. where it is B. how I can get there C. if there is a restaurant on it3.（2017山東德州）Excuse me, I wonder _. Yes, its near the bookstore. A. where we will go for the holiday B. if there is a lost and fo

12、und office C. when she will give a call D. how we can go to Hong Kong4.（2016云南昆明）I am worried about _. Whatever the result is, dont be too hard on yourself.A. how have I prepared for my final examsB. if I can get great grades in the final examsC. that my school team lost the game because of my fault

13、D. why did my school team lose the game5.（2016江蘇連云港）What did Max just say to you?He asked me _.A. if I would like to go skating B. when did I buy this CDC. where I will spend the weekendD. that I had a good time6.（2016河南）What did Tom say to you just now, John? He asked _. A. why I am so happy todayB

14、. what will I do for the weekend C. Who did I play football with after schoolD. if I could go to the movie with him tonight1. （江蘇省徐州市部分學(xué)校2017屆九年級(jí)二模聯(lián)考）The project is so difficult for your cousin. Yes, I am wondering _. A. that he will finish it on time. B. how could I help him out C. whether he can f

15、inish it by himself D. if can I do anything for him2. I dont know _ he still lives here after so many years. A. where B. whether C. what D. when3. What did the woman ask just now? She asked _. A. who was I waiting for B. how she can get to the post office C. where I live D. whether I could help her

16、find the post office4. I wonder _ people could grow plants on Mars. A. if B. that C. which D. whose5. I dont know _ he has time to help us. Lets ask him. A. that B. whether C. how D. what6. Can we visit Hong Kong this summer holiday? I wonder _ it is the best time to go there. A. if B. when C. what

17、D. how7. I dont know _ or not. Neither do I. You may ask his teacher. A. whether he is at school B. if is he at school C. that he is at school D. whether is he at school8. Susan isnt sure _ her parents will allow her to get a part-time job. A. that B. how C. what D. whether跟蹤訓(xùn)練1. C 【解析】句意：你能抽出時(shí)間來(lái)參加我

18、們的感恩節(jié)聚會(huì)嗎？哦，我不知道到那時(shí)我是否能完成這項(xiàng)工作。此題考查賓語(yǔ)從句，賓語(yǔ)從句要用陳述句語(yǔ)序。根據(jù)句意，故選C。3. A 【解析】句意：我不確定高速公路是否會(huì)很快關(guān)閉，讓我們?cè)缧﹦?dòng)身吧。A. whether是否；B. when 什么時(shí)候；C. how如何；D. why為什么。soon不久，很快，表示時(shí)間，因此句子不能再用when來(lái)引導(dǎo)，結(jié)合句意可知，答案為A。4. B 【解析】句意：大衛(wèi)問(wèn)我那天是否有空?？疾橘e語(yǔ)從句的時(shí)態(tài)和語(yǔ)序。賓語(yǔ)從句要用陳述語(yǔ)序，首先可以排除C、D選項(xiàng)；asked為ask的過(guò)去式，當(dāng)主句是一般過(guò)去時(shí)，賓語(yǔ)從句要用過(guò)去時(shí)態(tài)的某種形式（客觀事實(shí)和真理除外），這樣A選項(xiàng)也

19、不符合題意，答案為B。5. A 【解析】句意：你能告訴我這里附近是否有一個(gè)書(shū)店嗎？是的，當(dāng)然可以。根據(jù)Could you please tell me可知，本題是考查賓語(yǔ)從句，賓語(yǔ)從句中一般為陳述語(yǔ)序。選項(xiàng)B、C是疑問(wèn)語(yǔ)序，所以排除掉；D項(xiàng)的疑問(wèn)代詞應(yīng)該位于句首，也排除掉；再根據(jù)回答Yes，sure. 可知賓語(yǔ)從句含有疑問(wèn)的語(yǔ)氣，所以應(yīng)用if來(lái)引導(dǎo)，故答案選A。6. A 【解析】句意：我不確定在其他的星球中是否有生物。甚至科學(xué)家都不能確定這件事。A. whether是否；B. where在哪；C. why為什么；D. that作引導(dǎo)詞時(shí)無(wú)意義。根據(jù)下文Even scientists arent

20、 sure about it.可知這里是說(shuō)是否，用whether引導(dǎo)，故選A。真題再現(xiàn)1. D 【解析】考查連詞辨析。racecar(賽車(chē)) kayak(皮船)和 level(水平)這些單詞讀音都是一樣的，不論是從左往右讀還是從右往左讀。 whether有無(wú)論，不管的用法，故選D。3. B【解析】句意：打擾一下，我想知道是否有失物招領(lǐng)處？有，它在書(shū)店附近。A. where we will go for the holiday我們將要去哪里度假；B. if there is a lost and found office是否有失物招領(lǐng)處；C. when she will give a call她

21、將什么時(shí)間打電話；D. how we can go to Hong Kong我們?cè)趺慈ハ愀?。根?jù)回答，故選B?！久麕燑c(diǎn)睛】（一）wonder 作及物動(dòng)詞，意為想知道；對(duì)感到懷疑，常見(jiàn)的用法有：1. 后接 who，what，why，where 等引導(dǎo)的賓語(yǔ)從句。如：I wonder who she is. 我想知道她是誰(shuí)。She wondered what the child was doing. 她感到疑惑，孩子究竟在干什么。I wonder why Ann is late. 我想知道安為什么遲到了。I wonder where they have gone. 我想知道他們?nèi)ツ膬毫恕?. 后接

22、that引導(dǎo)的賓語(yǔ)從句，表示感到驚奇；對(duì)感到驚訝，that ?？墒∪?。如：I wonder (that) she has won the race. 我對(duì)她贏了比賽感到驚訝。3. 后接 if 或 whether 引導(dǎo)的賓語(yǔ)從句，常用來(lái)表示一種委婉的請(qǐng)求或疑問(wèn)。如：I wonder if he will succeed. 我想知道他會(huì)不會(huì)成功。4. 后接動(dòng)詞不定式短語(yǔ)。如：I wondered to see you there. 看到你在那里，我感到驚訝。5. 后接疑問(wèn)詞不定式構(gòu)成的短語(yǔ)。如：Im just wondering how to do it. 我正想知道該怎樣做那件事。（二）wond

23、er作不及物動(dòng)詞，意為感到驚訝；感到疑惑，常見(jiàn)的用法有：1. 與 at 連用。如：I wonder at your allowing her to do such a thing. 我對(duì)你允許她做這樣的事感到驚訝。2. 后接about短語(yǔ)，表示對(duì)感到疑惑；對(duì)感到新奇。如：I wonder about my future. 我對(duì)我的未來(lái)感到疑惑。（三） wonder 作名詞，意為奇跡；奇觀。如：The Great Wall is one of the seven wonders of the world. 長(zhǎng)城是世界上七大奇跡之一。4. B 【解析】句意：我在擔(dān)心我是否可以在畢業(yè)考試中取得好的成

24、績(jī)。不論結(jié)果如何，不要對(duì)自己太苛刻。A.我的畢業(yè)考試準(zhǔn)備得怎樣。賓語(yǔ)從句用陳述句語(yǔ)序，錯(cuò)；B.我是否可以在畢業(yè)考試中取得好的成績(jī)；C.因?yàn)槲业腻e(cuò)，我們校隊(duì)比賽失敗了。結(jié)果已出來(lái)了，與后句的whatever the result is相矛盾，錯(cuò)；D. 為什么我們校隊(duì)比賽失敗了。賓語(yǔ)從句應(yīng)用陳述句語(yǔ)序。故選B。6. D 【解析】句意：約翰，湯姆剛才跟你說(shuō)什么了？他詢問(wèn)我今晚是否和他一起去看電影。根據(jù)主句的謂語(yǔ)asked可知后面的賓語(yǔ)從句用一般過(guò)去時(shí)，故排除A、B兩項(xiàng)。賓語(yǔ)從句的詞序：疑問(wèn)詞+主語(yǔ)+賓語(yǔ)，故排除C項(xiàng)。故選D。模擬檢測(cè)1. C 【解析】句意：這個(gè)項(xiàng)目對(duì)于你的表哥來(lái)說(shuō)太難了。是的，我正在想他能否按時(shí)獨(dú)自完成這個(gè)項(xiàng)目。am wond