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1、1、可数名词如何变“复数形式”：a．一般情况下，直接加-s，如：book-books,bag-bags,cat-cats,bed-beds；读音：清辅音后读[s]，浊辅音和元音后读[z]。b．以s.x.sh.ch结尾，加-es，如：bus-buses,box-boxes,brush-brushes,watch-watches；读音：[iz]。c．以“辅音字母+y”结尾，变y为i,再加-es，如：family-families,strawberry-strawberries；读音：[z]。d．以“f或fe”结尾，
2、变f或fe为v,再加-es，如：knife-knives，thief-thieves；读音：[z]。e．以“o”结尾的词，分两种情况1）有生命的+es读音：[z]如：mango-mangoestomato-tomatoeshero-heroes2)无生命的+s读音：[z]如：photo-photosradio-radiosf.不规则名词复数：man-men,woman-women,policeman-policemen,policewoman-policewomen,snowman-snowmen,mouse-
3、mice,child-children,foot-feet,tooth-teeth,fish-fish,people-people,Chinese-Chinese,Japanese-Japanese1、写出下列各词的复数。I_________ him_________ this_______ her______ watch_______ mango_______child_______photo________diary______ day________ foot________dress____
4、____tooth_______sheep______ box_______ strawberry_____thief_______engineer______peach______ sandwich______ man______ woman_______ leaf_______ people________ 单数 复数人称代词主格Iyouhesheit weyouthey宾格meyouhimheritusyouthem物主代词形容词性myyourhisheritsouryourtheir名词性min
5、eyourshishersitsoursyourstheirsI（宾格）_______ she（形容词性物主代词）_______ we（名词性物主代词）_______he（复数）_______ us（单数）_______ theirs（主格）_______its（宾格）_______2、想一想，把下表补充完整。人称代词物主代词单数复数单数复数主格宾格主格宾格形容词性名词性形容词性名词性第一人称meusour第二人称youyou第
6、三人称hethemhistheirheritits2、形容词、副词比较级的规则变化如下：（1）一般直接+er。如：tall-taller,fast-faster 单音节词如果以-e结尾，只加-r。如：late-later（2）重读闭音节词如末尾只有一个辅音字母，须双写这个字母，再加-er。如：big-bigger,fat-fatter（3）以辅音字母加-y结尾的词，变y为i，再加-er。如：heavy-heavier,early-earlier（4）双音节和多音节词的比较级应在原级前加more构成。如：bea
7、utiful-morebeautiful,careful-morecareful,quietly-morequietly,interesting-moreinteresting（5）有些不规则变化的，须逐一加以记忆。如：good/well–better,bad/ill–worse,many/much–more,far–farther/further,old–older/elder…练一练：1、写出下列形容词、副词的比较级。big good long
8、 tall old short thin heavy young fat light strong high far
