可能英语的区别

没有特别的规则,只有一些规律,而且也不是绝对的,你积累多了自然就可以判断了.不过形容词变副词,相对很确定,在后面加ly如果形容词以y结尾,就变Y为I加LY.其他的就记些,前缀,后缀吧比如 en-adj.( n.) 或者adj.(n.)-en一般是动词比如enlarge strengthen比如 -tion -sion 一般是名词 比如informationillusion

possible表示客观上有可能性,但实际上可能性不大.常用的句式为 It is possible for *** to do sth.或It is possible that 从句,一般不能用表示人的词作主语,如不能用：He is possible to do that. probable是指有根据或逻辑上合乎情理的推测,比possible表示的可能性大.一般不用表人的词作主语,常用句式：It is probable that+从句. likely侧重从表面迹象判断,某事有可能发生,与probable意思相近,既可用人也可用物作主语,常用句式： *** is likely to do sth或It is likely that+从句,但不能用It is likely for *** to do sth.

possible,workable,practicable,feasible,viableThese adjectives signify capable of occurring or of being done.这些形容词都表示能够发生或能够被完成的。 Possible indicates that something may happen, exist, be true, or be realizable: Possisle 表示某件事可能发生、存在、成为真实或成为可实现的： “I beseech you . . . think it possible you may be mistaken” (Oliver Cromwell). 我恳请你…相信可能是你错了” （奥立弗·克伦威尔）。 “Only the initiated know and honor those [scientists] whose patient integrity and devotion to exact observation have made the last step possible” (Hans Zinsser).“只有受教者才知道并且称赞这些 他们的有耐性的诚恳及对精确观察的投入使最后一步成为可能” （汉斯·辛瑟）。 Workable is used of something that can be put into effective operation: Workable 形容可有效实行的事物： Assuming that the scheme is workable, how will you begin to implement it? Something that ispracticable is capable of being effected, done, or put into practice: 假设这个计划是可行的，你将怎样开始实现它呢? Practicable 形容能够被影响、完成或执行的事： “As soon as it was practicable, he would wind up his business” (George Eliot).“一旦可行，他也将结束他的生意” （乔治·艾略特）。 Feasible refers to what can be accomplished, brought about, or carried out: Feasible 指能够完成、实施或执行的： Making cars by hand is possible but not economically feasible. Somethingviable is both practicable and workable; the term often implies capacity for continuing effectiveness or success: 手工制造汽车是可能的，但从经济角度讲是行不通的。 Viable 指既可行又能有效实行的； 这个词经常表示延续有效性或成功的能力： “How viable are the ancient legends as vehicles for modern literary themes?” (Richard Kain).“将古代传说作为表达现代文学主题的工具，这样的可行性有多少呢?” （理查德·凯恩）likely 系常用词, 指“从表面迹象来看很有可能”, 如:The likely out come of the contest varies from moment to moment.比赛结果可能每分钟都在变化。possible 指“由于有适当的条件和方法, 某事可能发生或做到”, 强调“客观上有可能”, 但常含有“实际希望很小”的意思, 如:It is possible to go to the moon now.现在有可能登上月球。probable 语气比 possible 强, 指“有根据、合情理、值得相信的事物, 带有‘大概’、‘很可能’”的意思, 如:l don't think the story is probable.我觉得那故事不大可能。