2022年unit15導(dǎo)學(xué)案北師大版必修5

1、1 【高中英語(yǔ)】 unit15 導(dǎo)學(xué)案( 共 10 套) 北師大版必修 5 unit15 learning導(dǎo)學(xué)案 (1) lesson 1-life-long learning the importance of life-long learning it s never too late to learn.學(xué)習(xí)永遠(yuǎn)都不會(huì)太晚 . learning aims(學(xué)習(xí)目標(biāo) ): have a knowledge of this passage by reading strategies. important and difficult point: understand the condition

2、al sentences in the passage. (學(xué)習(xí)重點(diǎn)、難點(diǎn) ) learning guide (方法引導(dǎo) ): connect the reading strategies to understand the whole passage. learning procedures( 學(xué)習(xí)過(guò)程 ): steplead-in.(b 級(jí)) think about the following questions. is the life-long learning important? why everyone of us need to continue learning after

3、the formal education? as a student,what should you do now? _ _ _ stepfast reading(b級(jí)) 1)what is the main idea of this passage? _ 2)how many people do the passage refer to?who are they?do they have the same age? _ stepcareful reading.(c 級(jí)) read the passage carefully and then find the detailed informa

4、tion. 1)read the passage and fill in the table with the correct information. 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 1 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 1 頁(yè)，共 41 頁(yè) - - - - - - - - -2 2)choose the best answer. 1.the following are the reasons why people thin

5、k life-long learning important except_ a.it s never too late to learn b.they want to develop new skills c.the old need to switch off their brain and bury everything theyve learned.d.they d like to get new qualification2.according to sun wens opinion, _ a.all can continue learning and get promoted b.

6、work and study are quite the same as it was before. c.nowadays we can get a degree after failing college entrance exam. d.we can t be given a second chance by studying for formal quantifications while keeping a secure full time job. 3.why does ms tang think getting laid off is the best thing that ev

7、er happened to her? name sun wen ms tang grandpa chen what did they study?reason for studyhow did they study?result of their study精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 2 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 2 頁(yè)，共 41 頁(yè) - - - - - - - - -3 because_ a.she would

8、 have stayed in the company retirement b.she enjoys being a full time housewife c.she has learnt many new skills and prepared to set up her own export company after getting laid off. d.she can have more free time to learn at school. 4.whats the status of the job market at the moment?_a.not all compa

9、nies were doing that well. b.not all people got laid off because of doing something wrong. c.people would not have to stay in a company until retirement d.all the above 5.in grandpa chens opinion,_a.you can t teach an old dog new tricksb.old people can teach themselves new tricks c.if the postage we

10、nt up,youd better not become an internet user.step再讀這篇文章 ,在文中劃出含有虛擬語(yǔ)氣的句子. (b 級(jí)) stepreading comprehension.(c級(jí)) when nancy lublin received 5,000 from her grandfather in 1996,she never once considered taking a vacation or paying off student loans （貸款） .instead,the 24-year-old new york univer-sity law

11、student began thinking about helping low-income women get better jobs.“if a woman goes for a job interview（面試） poorly dressed,she wont get the job,”lublin says.“but without a job,she cant afford suitable clothes.” so,with the money lublin founded“dress for success”and began collecting women s clothe

12、s which were still in good condition but which their owners no longer needed. “so many women have clothes lying around that they willnever wear again,”one of lublins assistants says.“nancys idea is so simple and yet so important to women.”many women come to lublins office before going to a job inter

13、view.here,they receive a suit,shoes and any other things they need.since it was set up,more than 1,000 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 3 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 3 頁(yè)，共 41 頁(yè) - - - - - - - - -4 women have turned to“dress for success”for help

14、.many of them have won jobs.some have found jobs after being out of work for many years.jenny,a 32-year-old woman who was recently hired as a law- firm office manager says,“i made a good impression（印象）because of dress for success. ”1.what can we learn from the text? ( ) a.nancys grandfather lent her

15、 the money to set up the office.b.nancys office gathers used clothes from women.c.low-income women can get jobs at“dress for success”.d.nancy set up“dress for success”to make money.2. “dress for success”attracts many women because they_.( )a.like to wear different clothes b.like the design of the dr

16、esses c.prefer buying clothes at a low price d.need to look smart when looking for a job 3.from what jenny says,we know that_.( ) a.she got a lot of good ideas from nancy b.she is working happily at her present job c.clothes from nancys office helped to get her a jobd.“dress for success”has a good b

17、usiness relation with her firm 4.what would be a good title for the text? ( ) a.keep your old clothes b.a helping hand for women c.nancy：a successful law student d.a successful clothing business 學(xué)后反思：_ _ _ 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 4 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - -

18、- - - - - - - - - - - - 第 4 頁(yè)，共 41 頁(yè) - - - - - - - - -5 unit15 learning導(dǎo)學(xué)案 (2) lesson 1-life-long learning the importance of life-long learning activity is the only road to knowledge . 行動(dòng)是通往知識(shí)的唯一道路learning aims(學(xué)習(xí)目標(biāo) ):learn and memorize the words and phrases of this passage. learn the main language

19、points of this passage. important and difficult point: understand the conditional sentences in the passage. (學(xué)習(xí)重點(diǎn)、難點(diǎn) ) learning guide (方法引導(dǎo) ): understand and keep the main language points in mind. learning procedures( 學(xué)習(xí)過(guò)程 ): stepimportant words in this passage and warm-up.(a級(jí)) 1)_n. 箭2)_n. 氧,氧氣3)_n

20、. 拼寫4)_adv. 由后朝前地5)_adj.穩(wěn)定的 ,無(wú)憂無(wú)慮的6)_ adj.空白的7)_v.懷疑8)_n.現(xiàn)狀;社會(huì)地位9)_adj. 最高級(jí)別的10)_n.郵費(fèi)11)_vt.埋葬12)_v.改正,修改 _n. 改正,改進(jìn)13)_adj. 簡(jiǎn)單的 _v.簡(jiǎn)化14)_v.取得資格 _n. 資格,資歷15)_adj. 坦率的 ,真誠(chéng)的 _adv. 坦率地 ,真誠(chéng)地16)_v.教導(dǎo),指示 _ n. 講授,指導(dǎo)stepphrases in this passage.(a 級(jí))1)get promoted_ 2)坦率地說(shuō) _ 3)解雇,裁員_ 4)go blank_ 5)swell with_

21、6)do a business course_ 7)set up_ 8)prove(系) (to be)+ adj/n._ 9)happen to sb._ 10)go up_ 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 5 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 5 頁(yè)，共 41 頁(yè) - - - - - - - - -6 11)once a week_ 12)除之外_ 13)in person_ 14)switch/turn off_ ste

22、planguage points (b級(jí)) para 1.漢譯英 : 他越來(lái)越受歡迎了 _sun wen 28years old 1.its never too late to learn. tooto_漢譯英 :她太小了而不能上學(xué) _ 2.now im about to graduate from the school of continuing education at qinghua university with a bachelors degree in computer engineering by distance learnin g 譯文 :_ 1)be about to do

23、即將 , 就要 ( 表將來(lái) . 表示的是即將 ,馬上,眼瞅著要做某事 ) eg.he is about to learn here. 他馬上就要離開這兒了常用句型 : be about to dowhen就要做某事這時(shí) ( 常用過(guò)去將來(lái) ) eg.i was about to go to bed when the phone rang. 漢譯英 :我們馬上就要開始上課 _ 我正要出門 ,這時(shí)媽媽回來(lái)了 _ 歸納:表將來(lái)的常用句型還有哪些?查字典找出其區(qū)別 . _ _ 2)graduate from_3) distance learning_ 3._(because of;because) my

24、 qualification,im getting promoted at work. 1)qualification (n.)漢譯 :_ v._ adj.qualified 有資格的 ,勝任的 ,合格的eg. a qualified candiate 拓展:be qualified for/to do有資格 .,適于擔(dān)任 . eg.he is qualified for the job. 2)get promoted_ promote vt 使晉級(jí) ,晉升; 促進(jìn) ,促使; 促銷 (商品) n. promotion 猜斜體單詞的意思 : eg.he certainly ought to be

25、 promoted . 漢譯:_ the prime ministers visit will promote the cooperation between the two countries. 漢譯:_ 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 6 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 6 頁(yè)，共 41 頁(yè) - - - - - - - - -7 your job is to promotethe new product. 漢譯:_ 常用

26、句型 :promote sb. (to ) 晉升某人為 被動(dòng)句型 :_ 完成句子 :1)you are_( 有資格獲得 ) unemployment benefit. 2)helen_( 被提升為 )senior manager. 4.i decided to give myself a second chance by studying for a degree in the evenings and on weekends while keeping a secure full-time job. 譯文:_ a+序數(shù)詞 : 表示又一 ,再一 (后加單數(shù)名詞 ;序數(shù)詞的選擇取決與 前面的基數(shù)

27、 ) eg. i bought two cakes(基數(shù)) yesterday,i want to buy a third today. the+序數(shù)詞 : 表示第幾eg. he is always the first to come. 當(dāng)堂檢測(cè) : you looked for it twice ,but you havent found it.why not try_?( ) a.three times b.once c.the third time d.a third time 5.frankly speaking,the last four years have been work h

28、ard,but it s been worthit. 1) frankly speaking:坦白(率)地說(shuō),通常位于句首類似地用法還有 : generally speaking 一般說(shuō)來(lái)exactly speaking 確切地說(shuō)strictly speaking 嚴(yán)格地說(shuō)personally speaking 就個(gè)人而言漢譯英 : 坦白地說(shuō) ,你錯(cuò)了_ 2)worth: adj.有(.的)價(jià)值,值. worth+money 值多少錢eg.this necklace is worth 1,000 us dollars. 這條項(xiàng)鏈值一千美元。值得 (做.) be worth sth./doing

29、 sth. eg.that novel is not worth reading. 那部小說(shuō)不值得一讀。the exhibition is worth a visit 知識(shí)擴(kuò)充 : be worth+n.=be worthy(adj.值得的 ) of+n. 值得eg.the matter is worth consideration=the matter is worthy of consideration. be worth doing=be worthy to be done 值得做 of being done 漢譯英 :這部電影值得一看 _ =_=_ ms tang-45 years o

30、ld 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 7 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 7 頁(yè)，共 41 頁(yè) - - - - - - - - -8 1.three months ago,when my manager told me i would be laid off,my mind went blankand my heart swelled with anger 譯文:_ 1)lay off vt _ 漢譯英 :裁掉 100 名工

31、人 _ 2)go(系)+blank(adj.) 改錯(cuò):the meat goes badly in the hot weather soon._ 2.i suspect that they laid me off because the company was not doing that well but it still brought a lump to my throat and made me want to cry. 譯文:_ suspect v_ n.嫌疑犯adj.可疑的 ,不可相信的eg. a suspect person 常用句型 :1) suspect sb. of (do

32、ing) sth. 懷疑某人 (干)某事2)suspect sb/sth. as/to be 懷疑某人 /某物為 3)suspect+that 懷疑3.i felt_i had done something wrong. 注意觀察從句的 虛擬語(yǔ)氣grandpa chen75 years old 1.i got my grandson to instruct me on how to email instruct l) 指示,命令 ,吩咐instructe sb. to to do 命令,吩咐某人做某事eg.he instructed me to deliver it to a customer

33、_ 注意:接從句時(shí)后用（ should ）+v.原2）教授 ;訓(xùn)練;指導(dǎo)eg.she instructed me how to use the computer. 在本句中 instruct 的意思是 _2.and aside from emailing,it s fun to see and talk to my grandchildren in the us on the i-cam. 漢譯：_ 1)aside from 除了 之外(都)(相當(dāng)于 except for) eg.aside from his nose,he is quite good-looking._ 除了 以外(還)(相

34、當(dāng)于 besides ) eg.aside from the necessary clothes,i also carried a camera._ 2)it s fun to do _ 學(xué)后反思 :_ 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 8 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 8 頁(yè)，共 41 頁(yè) - - - - - - - - -9 unit 15 learning (3) lesson 1 grammar third cond

35、itional tips:actions speak louder than words. （行動(dòng)比語(yǔ)言更響亮。）learning aims: 1.to preview first and second conditional sentences. 2. to practice using third conditional sentences. learning important & difficult points: how to use the third conditional correctly. step i conditionals(條件句)a 級(jí)（參考課本 97 頁(yè)，

36、基本條件句型） _ conditionals _ _ _ stepii zero conditional 1.if you heat ice , it melts.（對(duì)冰進(jìn)行加熱，冰必然會(huì)融化）2.if it rains, the ground gets wet.（下雨，地面必然會(huì)濕）歸納總結(jié)：zero conditional 用來(lái)描述 _ _( 其結(jié)果的可能性是100%) 其句型是：if 條件句主句if +_ _ 【及時(shí)反饋】1.my mother doesn t allow me to go home late. if i come home late today, she _angry

37、(get). 2. 如果天氣溫暖多雨，蘑菇會(huì)長(zhǎng)得很快。_. 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 9 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 9 頁(yè)，共 41 頁(yè) - - - - - - - - -10 stepiii first conditional (真實(shí)條件句 ) 1. i will stay at home if it rains tomorrow. 2.well have not lessons in the classroo

38、m if it rains tomorrow. 3.if you want to have a good body, take exercise everyday. 歸納總結(jié)：first conditional 表示 _; _. 其句型是： if 條件句主句if +_ _ if 條件句主句if +_ _ 【及時(shí)反饋】1. 如果你借我些錢的話，明天我會(huì)還你。_. 2. 如果你想留下好印象，記得微笑和進(jìn)行眼神的交流。_. stepiv second conditional 1.if i had a lot of money now , i would buy a car. 2.if i were

39、a teacher, i would be mad. 3. if it were fine tomorrow,i would go shopping. 4. if i were to see her tomorrow, i would tell her the truth.（來(lái)的可能性很?。?5. if it should rain tomorrow, i would stay at home. ( 現(xiàn)在天氣很好 ) 歸納總結(jié)：second conditional 表示 _; 其句型是： if 條件句主句if +_ _ 表示 _ 其句型是： if 條件句主句精品學(xué)習(xí)資料 可選擇p d f -

40、- - - - - - - - - - - - - 第 10 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 10 頁(yè)，共 41 頁(yè) - - - - - - - - -11 if + 主語(yǔ)+_/_/_ _ 【及時(shí)反饋】1. 如果沒(méi)有水和空氣，地球上就不會(huì)有生物。_. 2. 如果明天我能去北京，我將會(huì)帶你去的。_. stepv third conditional 1.in the past, if someone like me _ to get into university through the

41、 college exam, he _ no chance of getting a degree. 2.in the past, if i _ to see them, i _ visit them in person. 歸納總結(jié)：third conditional 表示_ 其句型是：if 條件句主句if +_ _ 【及時(shí)反饋】1. 如果我早到那兒，我就會(huì)見到她。_. 2. 如果他聽我的勸告的話，就不會(huì)犯這樣的錯(cuò)誤了。_. 注意：當(dāng) if 從句中含有“should, were, had(助動(dòng)詞 )”時(shí)，可將if 省去，并將should, were, had提前。例如：if he had ta

42、ken my advice, he would not have made such a mistake.had he taken my advice, he would not have made such a mistake. step vi 鞏固練習(xí)1. if there were no subjunctive mood , english _ much easier . a.will be b. would have been c. could have been d. would be 2. if i _ more time, i would have gone with him.

43、a. had b. had had c. have had d. would have 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 11 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 11 頁(yè)，共 41 頁(yè) - - - - - - - - -12 3. if i had hurried, i _ the train. a. would catch b. could catch c. would have caught d. had caught 4.

44、 if i had known that, i _ so. a. wouldnt do b. wouldnt have done c. won t do d. havenot done 5 if jone _tomorrow, what would you do? a. were not to come b. will not come c. would not come d. had not come 6were it not for the snowy weather, we _ all right. a. would be b. would have been c. were d. ma

45、y be 7 if he_me tomorrow, i would let him know. a. should call b. should not have been able c. were not able d. are not able 8._i you, i would go with him to the party. a. was b. had been c. will be d. were 9. if you hadnt taken such a long time to get dressed, wed_ there by now. a. be b. circles c.

46、 is circling d. be circling 10. if paul had received six more votes in the last election, he _our chairman now. a. must have been b. would have been c. were d. hadnt contacted11. if i had seen the movie, i _ you all about it now. a. would tell b. will tell c. have told d. would have told step vii 小結(jié)

47、與反思_ unit 15 learning 導(dǎo)學(xué)案 (4) lesson 3 teachers tips: if you fail, dont forget to learn your lesson. 如果你失敗了，千萬(wàn)別忘了汲取教訓(xùn)。精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 12 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 12 頁(yè)，共 41 頁(yè) - - - - - - - - -13 learning aims: to practise us

48、ing“wish”and“should have”to express regret. to practise disagreement and contradiction politely. learning important points: improve the students reading ability. practise using“wish”and“should have ”to express regret. learning difficult point: how to master the usages of “wish”and“should have”learni

49、ng processes: step i 單詞檢測(cè) a 級(jí)1. angle n. 2. triangle n. 3. atom n. 4. vt. 倒，灌5. powder n. 6. flame n. 7. vt. 吐口水，吐痰8. vt. 拖，拉9. acid n. 10. onion n. 11. spy n. 12. glue n. 13. n. 同伴14. vt. 缺乏，沒(méi)有15. n. 接近或進(jìn)入之路16. adj. 值得努力的step ii 短語(yǔ)識(shí)記 b 級(jí)1. 在某人看來(lái) / 眼中2. be great help to sb. 對(duì)某人有極大幫助3. ask ones opini

50、on 征求某人的意見4. think 想念，想起5. 總計(jì)，合起來(lái)達(dá)到6. set off 7. lack confidence in oneself 8. give a presentation to sb. 9. have access to 10. turn sb. into 11. catch sb. doing sth. 12. be eager to do sth. step iii 選詞填空 c 級(jí)根據(jù)課文閱讀下面的短文，按上下文的意思用所選詞的適當(dāng)形式填空f(shuō)eel, simplify, good, decrease, used to , science, strange, in

51、terest, willing, lack, confidence graham lawrence, science author who gives presentations on tv, went to overton school, 19811989. he wasnt very at most school subjects. but when he went into mr jenkins class, he became in a subject for the first time. before mr jenkins class, science had simply bee

52、n a subject full of words to him. but mr jenkins made everything interesting. he explain things with lots of practical examples and things that seemed difficult. graham knew that he wasnt a student and he 精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 13 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - -

53、- - - - - - - - - - - - 第 13 頁(yè)，共 41 頁(yè) - - - - - - - - -14 shouldn t have been so difficult at school, but it probably because he in himself. mr jenkins made him that he could do things. just as mr jenkins said graham was very difficult at first. but when he got interested, he changed. he loved ！he w

54、as very bright and should have done much better in all his other subjects. mr jenkins finds its difficult to teach nowadays. there are lots of problems and not enough money. the government should have put more money towards science education. so he wishes they would the size of classes! step iv 文句解讀

55、 d 級(jí)1. i suppose i was a bit lazy and now i wish i d done more work, especially in maths. 譯文：【解析】(1) suppose 意思是常見短語(yǔ)： be supposed to 意為“被認(rèn)為是；應(yīng)該；理應(yīng)做”譯一譯：你應(yīng)該每天早上6:40 開始學(xué)習(xí)。(2) a bit意思是，可修飾形容詞，副詞的原級(jí)和比較級(jí)，與a little相同。例如： it s a bit / a little warmer today. 拓展： not a bit=not at all 一點(diǎn)也不 not a little 非常，相當(dāng)多

56、的 a bit 修飾名詞時(shí)必須加of, 即 a bit of + n. a little 可直接修飾名詞，即 a little + n. 練一練： are you cold? . i feel well. a. not a little b. not any c. not many d. not a bit (3) wish 后接賓語(yǔ)從句時(shí)，從句要用虛擬語(yǔ)氣，表示與事實(shí)相反。2. i had no idea what an atom was and i didnt really want to know either! 譯文：劃線部分是3. i found it all so boring a

57、nd difficult. but jenkins made everything interesting. 譯文：注意 find 和 make 后面所跟的復(fù)合賓語(yǔ)4. i remember that he let me pour some powder into the rocket and then another student lit a flame to set it off. 譯文：歸納拓展：精品學(xué)習(xí)資料 可選擇p d f - - - - - - - - - - - - - - 第 14 頁(yè)，共 41 頁(yè) - - - - - - - - -精品學(xué)習(xí)資料 可選擇p d f - - -

58、 - - - - - - - - - - - 第 14 頁(yè)，共 41 頁(yè) - - - - - - - - -15 (1) set off 有“啟程；出發(fā)”的意思（與for 連用），還可做“引起；使爆炸”講(2) set out 意思是“開始，著手”，后常接動(dòng)詞不定式。(3) set about 意思也是“開始，著手”，但常接動(dòng)名詞做賓語(yǔ)(4) set up 意思是“搭起；開業(yè)；建立；創(chuàng)立”練一練she writing the report after breakfast and handed it in at noon. a. set about b. set down c. set out

59、d. set off 5. i shouldn t have been so difficult at school, but it was probably because i lacked confidence in myself. 譯文：【解析】(1)should have done 表示“”翻譯：你本應(yīng)該給我寫那封信的。然而，你沒(méi)寫。識(shí)記拓展：情態(tài)動(dòng)詞 +have done 可用來(lái)表示對(duì)過(guò)去的推測(cè)，用法是： neednt have + 過(guò)去分詞表示做了不必要做的事，相當(dāng)于 didn t need to do 譯為 “其實(shí)沒(méi)必要做” should have +過(guò)去分詞表示應(yīng)該做某事但實(shí)際

60、上未做，譯為“本應(yīng)該” should not have + 過(guò)去分詞，表示本不應(yīng)該做某事但實(shí)際上做了，譯為“本不應(yīng)該做” ought to have + 過(guò)去分詞，表示動(dòng)作按理應(yīng)該發(fā)生了，但實(shí)際上未發(fā)生，譯為“本該”，與should 的完成式含義類似 could have + 過(guò)去分詞，表示過(guò)去本能夠做但卻未做，譯為“本能夠”練一練he shouldn t there so early. nobody was there. a. go b. come c. have gone d. have come (2) lack vt. 缺乏； n. 缺乏，缺乏的東西歸納拓展：for/from lack of