第一部分名词、数词、代词、形容词副词、动词基础一. 对名词的考查1.考查名词的单数形式转换成复数形式(1).名词的单数形式转换成复数形式(规则变化)①一般情况下直接在单数名词之后加-s变为复数名词。
例如：desk→desks, key→keys, monkey→monkeys, boy→boys等②以-x,-s,-ch,-sh,结尾的单数名词变为复数名词时，在单数名词之后加-es。
例如：fox→foxes, boss→bosses, bus→buses, class→classes, dress→dresses, witness→witnesses, address→addresses, beach→beaches,coach→coaches,couch→couches,inch→inches,s andwich→sanwiches,church→churches,wa tch→watches,match→matches,speech→speeches,witch→witches,dish→dishes,brush→brushes,goldfish→g oldfish, fish→fishes, toothbrush→toothbrushes等。
③以o结尾的单数名词变为复数名词时，在单数名词之后加-s的有：zoo→zoos,radio→radios,photo→photos,piano→pianos,kilo→kilos,mango→mangos,bamboo→bamboos,ka ngaroo→kangaroos。
加-es有：tomato→tomatoes, potato→potatoes, dodo→dodoes/s,hero→heroes。
④以辅音字母+y结尾的单数名词变为复数名词时，先变y为i，再加-es。
例如：family→families,lady→ladies,baby→bibies,copy→copies,body→bodies,century→centuries,diary→diaries, dictionary→dictionaries,factory→factories,library→libaries,battery→batteries,documentry→documentries,b uddy→buddies,ability→abilities,country→countries,butterfly→butterflies,enemy→enemies,memory→mem ories,balcony→balconies,laboratory→laboratrories,beauty→beauties,charity→charities,comedy→comedies, industry→industries,quallity→quallities,reply→replies,difficulty→difficulties,theropy→theropies,mystery→mysteries, hobby→hobbies,story→stories,city→cities,laundry→laundries,activity→activities等。
