小学英语语法及练习1be动词的用法
一、口诀：我用am你用areis用在他她它，复数全用are。例题：1I______aboy______youaboyNoI_____
ot2Thegirl______Jackssister3Thedog_______talla
dfat4Thejea
s______o
thedesk
二、有be动词的肯定句和否定句IamfromLo
do
HeisateacherSheisi
thedi
i
groomMyhairislo
gHereyesaresmallIam
otfromLo
do
Heis
otateacherSheis
oti
thedi
i
groomMyhairis
otlo
gHereyesare
otsmall
归纳：在有be动词的句子中，改否定句时只要在be动词______加上_____。
三、有be动词的一般疑问句AmIaChi
eseAretheyAmerica
IsthecatfatYesyouareYestheyareYesitisNoyouare
’tNotheyare
’tNoitis
’t
四、Be动词在一般过去时中的变化：amwas
iswas
arewere
⑴am和is在一般过去时中变为was。（was
otwas
’t）⑵are在一般过去时中变为were。（were
otwere
’t）⑶带有was或were的句子，其否定、疑问的变化和isamare一样，即否定句在was或were后加
ot，一般疑问句把was或were调到句首。例题：1I_______atschooljust
ow2He________atthecamplastweek
1
f3We________stude
tstwoyearsago4They________o
thefarmamome
tago5Ya
gLi
g________eleve
yearsoldlastyear6Themobilepho
e_______o
thesofayesterdayeve
i
g2五、therebe句型中be动词的用法1、在therebe句型中，主语是单数，be动词用is；主语是复数，be动词用are；如有几件物品，be动词根据最近be动词的那个名词决定。2、therebe句型的否定句在be动词后加
ot，一般疑问句把be动词调到句首。例题：1、There___________alotofsweetsi
thebox2、There___________somemilki
theglass3、There____________somepeopleu
derthethebigtree4、There___________apicturea
damapo
thewall
六、综合练习用恰当的be动词填空。1Thema
withbigeyes_______ateacher2______yourbrotheri
theclassroom3Where_____yourmotherShe______athome4How_______yourfather5Mikea
dLiuTao______atschool6Whosedress______this7Whosesocks______they8That______myredskirt9Who______I10Here______ascarfforyou11Here______somesweatersforyou12Theblackgloves______forSuYa
g13Thispairofgloves______forYa
gLi
g
2
f14Thetwocupsofmilk_____forme15Sometea______i
theglass16Gaosha
sshirt_______overthere
句型转换1Itwasexciti
g否定句：________________________________________________一般疑问句：____________________________________________肯、否定回答：__________________________________________
2Allthestude
tswereveryexcited否定句：___________________________________r