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1、总复习形容词比较级情况加法例词一般情况加ersmall---smaller以e结尾的词加rlarge--larger以辅音字母+y结尾的词变y为i,再加ereasy—easier以一个辅音字母结尾的词将这辅音字母双写再加erhot—hotterthin--thinner基数词变序数词的规律基变序,有规律。一、二、三、特殊记,词尾字母t,d,d.(first, second, third)。八减t,九去e,(eighth, ninth), f来把ve替。(twelve→twelfth).单词ty作结尾,ty变成tie(twenty→twentieth).若是碰到几十几,只变
2、个位就可以。(twenty-one→twenty-first)动词的第三人称单数形式的构成规则1.一般情况下,大多数动词的第三人称单数形式,是在该词末尾加上-s.例:jump→jumps;walk→walks;sleep→sleeps;cook→cooks;pick→ picks;help→ helps.2.以s、x、ch、sh、o结尾的词,在该词末尾加上-es,读[iz].例:teach→ teaches;watch→ watches;wash→ washes;guess→ guesses.3.以辅音字母+y结尾的名词,变y为i,再加-es,读[z]。例:fly→ fl
3、ies;study→ studies.4.不规则变化:have→has;动词变ing形式1。大多动词直接在词尾加-ing,比如:go-going,work-working,study-studying,look-looking,do-doing,eat-eating,play-playing,read-reading,2。有的以不发音的e字母结尾的动词,要去掉e再加-ing,比如:make-making,write-writing,skate-skating,close–closing,come-coming,make–making,take-taking,have-ha
4、ving,dance-dancing,smile-smiling3。以重读闭音节结尾,末尾只有一个辅音字母的动词,要双写这一辅音字母,再加-ing。例如:run-running,swim-swimming,get–getting,sit–sitting,put–putting,begin–beginning,stop-stopping动词过去式规则变化①一般情况下,在动词原形后直接加ed。如:wanted,played。②以不发音的字母e结尾的动词,直接加d。如:hoped,lived。③重读闭音节单词需双写最后一个辅音字母,再加ed。如:stopped,shipped。
5、④以辅音字母+y结尾的动词变y为i,再加ed。如:studied,worried。⑤有些动词不符合上面的规则,需要特殊记忆。如:am(is)-was,are-were,go-went,eat-ate,swim-swam,buy-bought,see-saw,teach-taught,bring-brought,think-thought,fall-fell,hurt-hurt,break-broke,win-won,lose-lost一写出下列形容词的比较级old_____busy____hot_____slow_____thin____clean____big____c
6、old巩固练习二.写出下列动词的第三人称单数。drink________go_______stay______make________ look______have_______ pass_______carry____ come________ watch______plant_______ fly_______study_______teach_______wash_______match_____ guess______finish_________三.写出下列动词的现在分词形式work___________ visit__________play___
7、_______ study__________dance__________ have__________travel__________ take__________drop__________ sing__________ shop__________ swim__________四、写出下列动词的过去式isam_______fly______plant_______are________drink_______play______g