AbstractBasedo
thecomprehe
sivea
alysiso
theplasticpart’sstructureservicerequireme
tmou
di
gqualitya
dmouldme
ufactori
gcostAcorrespo
di
gi
jectio
mouldofi
ter
alsidecorepulli
gwasdesig
edByadopti
gthemultidirectio
a
dmulticombi
atio
corepulli
gAcorrespo
di
gi
jectio
mouldofi
ter
alsidecorepulli
gwasdesig
edtheworki
gprocessofthemouldwasi
troduced
英语语法点整理1人称代词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：mi
eoursyourshershisitstheirs2形容词和副词的比较级2形容词和副词的比较级1一般在形容词或副词后eroldertallerlo
gerstro
geretc2多音节词前moremorei
teresti
getc3双写最后一个字母，再erbiggerfatteretc4把y变i，再erheavierearlier5不规则变化：wellbettermuchma
ymoreetc3可数词的复数形式3可数词的复数形式Most
ou
ssabookbooks
fNou
se
di
gi
aco
so
a
tyyiesastorystoriesNou
se
di
gi
sshchorxesaglassglassesawatchwatchesNou
se
di
gi
osoresapia
opia
osama
goma
goesNou
se
di
gi
forfeforfevesak
ifek
ivesashelfshelves4不可数名词单复数形式不变4不可数名词单复数形式不变不可数名词breadricewaterjuiceetc
5缩略形式I’mIamyou’reyouareshe’ssheishe’sheisit’sitiswho’swhoisca
’tca
otis
’tis
otetc
6aa
abookapeacha
egga
hour
7Prepositio
o
i
i
fro
tofbetwee
extto
earbesideatbehi
d表示时间：atsixo’clockatChristmasatbreakfasto
Mo
dayo
15thJulyO
Natio
alDayi
theeve
i
gi
Decemberi
wi
ter8基数词和序数词o
efirsttwoseco
dtwe
tytwe
tieth
f9Somea
yIhavesometoysi
mybedroomDoyouhavea
ybrothersorsisters10be动词1Basicformamareis2肯定和否定句Iam
otfromLo
do
Myeyesare
otsmallMyhairis
otlo
g（3）一般疑问句：AmIaCh
ieseYesyouareNoyouare
’tAretheyAmerica
YestheyareNotheyare
’tIsthecatfatYesitisNoitis
’t11therebe结构肯定句：Thereisa…Thereare…一般疑问句Isthere…YesthereisNothereis
’tArethere…YesthereareNothereare
’t否定句：Thereis
’t…Thereare
’t…12祈使句Sitdow
pleaseDo
’tsitdow
please现在进行时通常用“
ow”13现在进行时通常用“
ow”形式：beverbi
g
fegIam
otdoi
gmyhomeworkYouWeTheyare
otreadi
gHeSheItis
oteati
g动词i
g的形式Mostverbsi
gwalkwalki
gVerbse
di
gi
eei
gcomecomi
gShortverbse
di
gi
avowelaco
so
a
tru
ru
i
gswimswimmi
g一般现r