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四种动词ing形式变化规则:、一般情况下,直接在动词后添加1ing如一一sleep sleepingdo—doing jumpjumping speak—speaking、以不发音字母-e结尾的,先去掉再加2e-ing如一一write writingsmile smilingride—riding、以重读闭音节结尾且末尾只有一个辅音字母的动词,双写末尾的辅音字母,然后加3-ing如一一一一一一注意这sit sittingrun runningget gettingcut cuttingforget forgettingprefer preferring几个动词一一一一remember listensuffer benefit、以ie结尾的动词,把变为再加4・-ie y,ing如(躺)—(系,打结)一lie lyingtie tyingdie—dying动词形式用途多,进行时态不可缺词尾若有哑音e,去再加--ing・-e ing一般重读闭音节,末尾辅音字母要双写还有一点要注意,变为再加ie y,-ing.
六、四种动词ed形式(过去式、过去分词)变化规则、一般情况下,直接在动词后加1-ed如一一play playedoffer—offered weighweighed destroy—destroyed sign—signed、在以字母e结尾的动词后,只加2-d如一一一一like likedprovide providedhate hateddate dated、在以“辅音字母+y”结尾的动词后,改为再加一3y i,ed如一一一一supply suppliedfly fliedapply appliedstudy studied、以重读闭音节结尾且末尾只有一个辅音字母的动词,双写末尾的辅音字母,然后加再加4-ed如:一一一注plan plannedrefer—referred regret—regretted ban—banned stopstopped preferpreferred意这几个动词
一一七、不规则动词(过去式、过去分词)变化,需remember—listen—suffer benefit要大家勤背、勤复习,课本教材、大蓝词汇笔记后边都附有列表形容词、副词的比较级和最高级的构成规则、一般单音节词和少数以结尾的双音节词,直接加、1-er,-ow-er-est;单音节词如:一一一一small smallersmallest greatgreater greatest一一一一short shortershortest talltaller tallest双音节词如:一一一clever cleverer-cleverest narrownarrower narrowest、以不发音结尾的单音节词,在原级后加、2e-r-st;如一large larger-largest nice—nicer—nicest able—abler—ablest、在重读闭音节即:辅音+元音+辅音中,双写末尾的辅音字母,加、3-er-est;如一一一一一一big biggerbiggest hothotter hottestfat fitterfattest、以“辅音字母结尾的双音节词,把改为加、4+y”y i,-er-est;如一一easy—easier—easiestheavy heavierheaviest一一busy—busier^busiest happyhappier happiest一一pretty prettierprettiest其他双音节词和多音节词,比较级在前面加最高级在前面加5more,most;如一一beautiful—more beautiful^most beautifulinteresting moreinteresting mostinteresting一different^more different—most differenteasily—more easilymost easily■意:形容词最高级前通常必须用定冠词副词最高级前可不用1the,例句The Saharais thebiggest desertin theworld.⑵形容词前面没有而用了不表示最高级的含义,只表示“很、非常”most the,a,It isa mostimportant problem.=It isa veryimportant problem.有少数形容词、副词的比较级和最高级是不规则的,必须熟记3一一一一一一well/good betterbest ill/bad worseworst many/much moremost一一一little less-least oldolder/elder oldest/eldest far-^further/farther^furthest/farthest。