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1、动词第三人称单数变化规则如下1 / 6 高三英语复习动词第三人称单数变化规则1) 一般情况下,动词后面直接加-s. 例如: works gets says reads 2) 以 ch,sh,s,x 或 o 结尾的动词 ,在后面加-es。例如:go-goes teach-,teache wash-washes brush-brushes ,catch-catches ,do-does ,fix -fixes 3) 以辅音字母+ y 结尾的动词,把y 变为 i 再加 -es. 例如:study- studies try-tries carry-carries ,fly-flies cry-crie
2、s 现在分词变化规则1.直接+ ing(例:sleep+ing sleeping) 2.去 e+ing(例:bite-e+ing biting) 3 重读闭音节,且末尾只有1 个辅音字母,双写辅音字母+ing(例:sit+t+ing sitting) 4.特殊变化: die-dying,lie-lying ,tie-tying 3、现在分词的变化规则:(1) 一般情况下,直接在动词后加ing work - working sleep - sleeping study - studying (2) 动词以不发音的 e 结尾,要去 e 加ing take - taking make - makin
3、g dance - dancing (3) 重读闭音节的动词,要双写词尾字母,再加ing cut - cutting put - putting begin - beginning (4) 以ie 结尾的动词,把变成y 再加 ing lie - lying 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页,共 6 页 - - - - - - - - - 动词第三人称单数变化规则如下2 / 6 tie - tying die - dying 形容词的比较级和最高级变化形式规则如下
4、构 成 法原 级比 较 级最 高 级 一般单音节词末尾加er 和est strong stronger strongest 单音节词如果以e 结尾,只加r 和st strange stranger strangest 闭音节单音节词如末尾只有一个辅音字母,须先双写这个辅音字母,再加er 和est sad big hot sadder bigger hotter saddest biggest hottest 少数以y,er( 或ure),ow,ble结尾的双音节词,末尾加er 和est( 以y 结尾的词,如y 前是辅音字母,把 y 变成i ,再加er 和est ,以e 结尾的词仍加r 和st)
5、 angry clever narrow noble angrier cleverer narrower nobler angrest cleverest narrowest noblest 其他双音节和多音节词都在前面加单词more和 most different more different most different b. 其他词都在前面加more, most 构成比较级及最高级:原级比较级最高级important more important most important difficult more difficult most difficult interesting more
6、 interesting most interesting useful more useful most useful I. 学会下列形容词的比较级和最高级:原级比较级最高级1. tall taller tallest strong stronger strongest old older oldest 2. large larger largest fine finer finest 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页,共 6 页 - - - - - - -
7、- - 动词第三人称单数变化规则如下3 / 6 late later latest 3. big bigger biggest hot hotter hottest thin thinner thinnest 4. easy easier easiest busy busier busiest happy happier happiest 5. valuable more valuable most valuable dangerous more dangerous most dangerous comfortable more comfortable most comfortable 1.
8、有几个形容词有特殊的比较级和最高级形式:原级比较级最高级good well better best bad ill worse worst many much more most little less least far farther further farthest furthest old older elder oldest eldest 2. 双音节词除了以“辅音 y”结尾的词外,还有以ow, er, le 结尾的词,和个别其他双音节词,可以用加词尾的办法构成比较级和最高级:原级比较级最高级narrow narrower narrowest clever cleverer clev
9、erest simple simpler simplest common commoner commonest 3. 也有少数单音节词可以加more和 most 的办法构成比较级和最高级:原级比较级最高级pleased more pleased most pleased tired more tired most tired glad more glad most glad 名词的复数形式名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页,共 6 页 - - - - - - -
10、- - 动词第三人称单数变化规则如下4 / 6 构成方法例词在词尾加 -s 1. 以 s、x、sh、ch 结尾的名词后加 -es 2. 如词尾是 e,只加-s 如词尾为 f 或 fe ,则一般变为 ves 以辅音 +y 结尾的名词,变y 为 i 再加-es 以元音 +y 结尾的名词,加-s 以辅音 +o 结尾的名词, 加-es 以元音 +o 结尾的名词, 加-s 以-th 结尾的名词,加 -s 英语里有一些名词的复数形式不是以词尾-s或-es构成,构成方法例词变内部元音foot u feeti: man men e mouse au mice ai woman women e 词尾加 -en
11、oxoxen(公牛) child ai children i 形式不变(通形名词 -单、复数同形) deer deer fishfish sheep sheep 集合名词(只有复数,没有单数。)trousers people (人,人民)glasses (眼镜)名词做定语1. 只在后面名词加复数2. man, woman随之后面的名词1. apple tree apple trees 2. man doctormen doctors 3. sports shop sports shoes 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - -
12、- - 名师精心整理 - - - - - - - 第 4 页,共 6 页 - - - - - - - - - 动词第三人称单数变化规则如下5 / 6 而变化,后单其单,后复其复。3. sport 作定语永远用作复数。表示国籍的名词(中日不变,英法变,其余词后加s)Chinese Chinese Japanese Japanese EnglishmanEnglishmen Frenchman Frenchmen AmericanAmericans 其它名词复数的规则变化1) 以 y 结尾的专有名词, 或元音字母 +y 结尾的名词变复数时, 直接加 s 变复数:如: two Marys the H
13、enrys monkey-monkeys holiday-holidays 比较: 层楼: storey -storeys story-stories 2) 以 o 结尾的名词,变复数时:a. 加 s,如: photo-photos piano-pianos radio-radios zoo-zoos ;b. 加 es ,如: potato-potatoes tomato-tomatoes c. 均可,如: zero-zeros / zeroes 3) 以 f 或 fe 结尾的名词变复数时:a. 加 s,如: belief-beliefs roof-roofs safe-safes gulf-
14、gulfs;b. 去 f,fe 加 ves,如: half-halves knife-knives leaf-leaves wolf-wolves wife-wives life-lives thief-thieves ;c. 均可,如: handkerchief: handkerchiefs / handkerchieves 动词变名词1.在词尾加 er,r ,双写加 er 或 or: A. play _ player, sing _ singer, wait _ waiter , find _ finder, thrill _ thriller ,hunt-hunter B. write
15、_ writer, drive _ driver, come _ comer, explore _ explorer dance _ dancer C. run _ runner, win _ winner, rob _ robber, traval _ travaller 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 5 页,共 6 页 - - - - - - - - - 动词第三人称单数变化规则如下6 / 6 D. visit _ visitor, invent _ inven
16、tor,act-actor,advise-advisor 2. 在词尾加 ing: build _ building, draw _ drawing, end _ ending, begin _ beginning, swim _ swimming , skate _ skating, feel _ feeling, say _ saying, mean _ meaning, cross _ crossing, surf _ surfing, paint _ painting 3.在词尾加 ion 或去 e 加 ion: A. decide _ decision, describe _ des
17、cription, produce _ production, celebrate _ celebration,pronounce _ pronunciation, decorate _ decoration graduate _ graduation,frustrate - frustration,pollute _ pollution contribute _ contribution, congratulate _ congratulation, educate _ education ,organize _ orgnization,donate _ donation, apprecia
18、te _ appreciation,operate _ operation, invite _ invitation B. discuss _ discussion, invent _ invention, attract _ attraction impress _ impression,inject _ injection,instruct _ instruction 4.其它:know _ knowledge, please _ pleasure, enjoy _ enjoyment, practise _ practice , die _ death, succeed _ success, weigh _ weight, sit _ deat, change _ chance,enter _ entrance,fly _ flight, rob _ robbery, discover _ discovery,faile _ failure,appear _ appearance, breathe _ breath 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页,共 6 页 - - - - - - - - -