公共英语的考试语法讲解

1.人称代词

主格：Iweyousheheitthey

宾格：meusyouherhimitthem

形容词性物主代词：myouryourherhisitstheir

名词性物主代词：mineoursyourshershisitstheirs

2.形容词和副词的'比较级

(1)一般在形容词或副词后+eroldertallerlongerstronger,etc

(2)多音节词前+moremoreinteresting,etc.

(3)双写最后一个字母，再+erbiggerfatter,etc.

(4)把y变i，再+erheavier,earlier

(5)不规则变化：well-better,much/many-more,etc.

3.可数词的复数形式

Mostnouns+sabook?books

Nounsendinginaconsonant+y-y+iesastory—stories

Nounsendingins,sh,chorx+esaglass—glassesawatch-watches

Nounsendingino+sor+esapiano—pianosamango—mangoes

Nounsendinginforfe-forfe+vesaknife?knivesashelf-shelves

4.不可数名词(单复数形式不变)

bread,rice,water,juiceetc.

5.缩略形式

I’m=Iamyou’re=youareshe’s=sheishe’s=heis

it’s=itiswho’s=whoiscan’t=cannotisn’t=isnotetc