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.Wearefri
4、ends.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.
5、 Youshouldkeepquietinthelibrary. 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
6、’sthetime?Whichisyourwatch,theyellowoneorthewhiteone?Who’sthemanwithabignose?Whosebagisit?Whenisyourbirthday?Whereismyballpen?Whydoyoulikesummer?Howmanybooksarethereintheschoolbag?Howoldistheyoungman?Howmuchisthetoybear?Howdoyougotoschooleveryday?五、形容词和副词big small l
7、ittle 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 deli
