1、英語中表示“可能”的詞的用法,1,英語中有許多此表示“可能”，但歸納起來，無非就三類： 1.情態(tài)動詞may和can. 2.形容詞 likely, possible, probable. 3.副詞 maybe, perhaps, possibly, probably.,2,一情態(tài)動詞may (might)和can (could) 1.can在肯定句中，表示客觀的(理論的)可能性，并不涉及具體某事是否會發(fā)生，常可以說明人或事物的特征。要表達(dá)具體某事實(shí)際，發(fā)生的可能性時，不可用can,須用could, may, might 。,3,如： (1)A left-luggage office is a p

2、lace where bags can be left for a short time ,especially at a railway station.2003全國,28 行李寄存處，尤其是在火車站，使人們可以短期存放行李的地方。(客觀可能性) (2)Accidents can happen on such rainy days. 這種下雨的天氣可能會發(fā)生事故.(客觀可能性) (3)Peter may come with us tonight ,but he isnt sure yet.1993全國,27彼得今晚可能來我們這兒，但還沒確定.(實(shí)際可能性) (4)We may go camp

3、ing next Sunday. 下星期我們可能去野營.(實(shí)際可能性),4,2. may not 表示“可能不”，can not/cant表示“不可能”，can(could)可用于疑問意義。 如： (1)- Is John coming by train ? - He should ,but he may not .He likes driving his car.2002全國，25(表示“可能不”) (2)A computer cant think for itself ;it must be told what to do .1991全國,15(表示“不可能”) (3)Mr Bush is

4、 on time for everything .How can it be that he was late for the opening ceremony ?2001上海,27,5,試比較： This cant be done by him .這不可能是他干的。 This may not be done by him .這可能不是他干的。 Can this be done by him ?這可能是他干的嗎? (此處不可用may，may用于疑問句表示“可以”。但此句可以說：Is this likely to be done by him ?) 另外，could ,might并不一定與過去的

5、時間有關(guān)，而表示可能性弱于它們相應(yīng)的現(xiàn)在時形式。 如： This could/may/might be done by him .這件事有可能是他干的。（語氣依次遞減）,6,二、形容詞：likely , possible , probable 1.likely是常用詞，只“從表面及想來看很有可能”，常用句型: sb./sth be likely to do or It is likely that. 如：They are likely to become angry with him . 他們可能會對他發(fā)怒。 It is likely that he will come. 注意:（1）、 li

6、kely表示“有可能成功的”、“有希望的”意思時，不能用另外兩詞。 e.g What is the likeliest time to find him at home?什么時候最可能在家里找到他？ (2).likely在作副詞時，前面一定要加very或most. e.g Theyll very likely ask for an increase in the budget. 他們很可能要求增加預(yù)算。,7,2 possible指“由于有適當(dāng)?shù)臈l件和方法，某事可能發(fā)生或做到”，強(qiáng)調(diào)“客觀上有可能”，但常含有“實(shí)際希望很小”的意思。 如：I will do everything possible

7、 to help you . 我將盡一切可能幫助你. 常用句型: It is possible for sb. to do something It is possible that e.g It is possible for one man to finish this. Its possible that he will accept the terms. 注意:possible不能以人作主語，也不能說make sb. possible,應(yīng)說make it possible for sb. to do sth. e.g This made it possible for him to g

8、o abroad for further studies.,8,3 . probable 語氣比possible強(qiáng)，指有根據(jù)、合情理、值得相信的事物，帶有大概、很可能 的意思。 如：The home team , far ahead , is the probeble winner. 主隊(duì)份遙遙領(lǐng)先，很可能成為勝利者。 注意: probable也不能以人作主語,也不能用于It is probable for sb. to do sth.句型, 但可用于句型：It is probable that e.g It is probable that the winner will get a pri

9、ze. 另外，這三個形容詞likely , possible , probable 都可用于句型：It is +adj.+to do sth./that-clause. It作形式主語。但只有l(wèi)ikely可以用于句型：sb./sth be likely to do sth .,9,如：(1)It is probable that it will rain today. 今天很可能會下雨。(第一個it是形式主語，第二個是天氣。) (2)She is the most girl to win the prize. A.possible B.probable C.likely D.perhaps 因

10、為主語是人，所以答案應(yīng)是C.表示“有希望的”。 試比較： ( ) It is probable to rain today.(It指天氣) ( ) It is likely to rain today.(It指天氣) 但可以說：He is impossble to teach.(=It is impossible to teach him.) 注意：不定式動詞與主語存在著邏輯上的動賓關(guān)系時，句子才正確。,10,三、副詞：maybe , perhaps , possibly , probably 這四個詞都有“可能、或許”的意思，但用法略有不同：maybe和perhaps基本相同，常用于句手，m

11、aybe多用于口語。 如：Maybe/Perhaps the weather will get better.天氣可能會變得好一些。 probable是“很可能”的意思，可能性比其它三個大。probably常與will連用，而possibly常與can,could或may連用，may與possibly連用表示的可能性更小，can/could與possibly連用以加強(qiáng)語氣。,11,另外，quite possibly表示“很有可能”，very/most probably意為“極有可能”。如： (1) She most/very probably thinks she is right when she says things like that.(極有可能) (2) Erics father is a skilled worker and has repaired a lot of this kind ,so he will succeed in repairing this bike. A.probably B.maybe C.may be D.perhaps (A可以和will連用，因此用probably.