2、an-women policeman-policemen policewoman-policewomenmouse-mice child-children foot-feet tooth-teethfish-fish people-people Chinese-Chinese Japanese-Japanese二、代词人称代词主格宾格形容词性物主代词(短)名词性物主代词（长）我Ime my mine你 you you your yours他 he him his
3、 his她 she her her hers我们 we us our ours你们 you you your yours他们 they them their theirs口诀：主格应该作主语，放在句子的开头;宾格应该作宾语，放在动词介词后；形容词性的物主代词不能单独用，必须接名词或其他词；名词性的物主代词，单独使用就可以。如：Iamastudent.Whatisyourname?Hisbagisonthedesk.Thatoneisnothis.Wecanfrom America.Wearefrien
4、ds.Letmehelpyou.Theseshoesarenice.Trythemon.Theyaredrinkingtea.三、动词1.be动词：am is are2.普通动词：have go come take get buy passsit stand have talk walk see catch put等。动词的变化形式：动词的第三人称单数、动词+ing、动词的过去式（详见时态）3.情态动词：情态动词can,must,should后面直接用动词原形。如：I/He/She/Theycansing. Yo
5、ushouldkeepquietinthelibrary. Youmustn’tplaywithfire... Canyouhelpme?4.使役动词：have,make,let后面直接用动词原形。如：Letmehelpyou.MothermadeJimstayathomeallday.四、疑问词1.what who whose which where when why how2.“Wh-”questions:Whatareyoudoing?Whatcolourisit? Whattimeisit?What’s
6、thetime?Whichisyourwatch,theyellowoneorthewhiteone?Who’sthemanwithabignose?Whosebagisit?Whenisyourbirthday?Whereismyballpen?Whydoyoulikesummer?Howmanybooksarethereintheschoolbag?Howoldistheyoungman?Howmuchisthetoybear?Howdoyougotoschooleveryday?五、形容词和副词big small litt
7、le large tall long short fat thin old new young clean dirty warm hot cool cold fast slow lazy busy cheapearly late high low tired hungry thirsty beautiful deliciou
