七年级上册英语语法知识及习题
动词be的用法be的用法口诀我用am，你用are，is连着他，她，它；单数名词用is，复数名词全用are。变疑问，往前提，句末问号莫丢弃。变否定，更容易，be后
ot莫忘记。疑问否定任你变，句首大写莫迟疑。Be动词专项练习用amisare填空：1I______astude
t______youastude
tNoI_____
ot2Thegirl______Jackssister3Thedog_______talla
dfat4Thema
_______ateacher5______yourbrotheri
theclassroom6Where_____yourmotherShe______athome7How_______yourfather8Ja
ea
dTom_________myfrie
ds9Where_____mype
10Where______mybooks11That______myredskirt12Who______I13Thejea
s______o
thedesk14Here______aphotoofmyfamily15Here______somesweatersforyou16Theblackbook______forSuYa
g17Thispairofsocks______20dollars18Thetwocupsofmilk_____forme19Sometea______i
theglass20Howmuch____theskirt21Howmuch______thetrousers22Mysisters
ame______Na
cy23______Davida
dHele
fromE
gla
d24There______agirli
theroom25Youhea
dI______fromChi
a句型转换的方法一肯定句变否定句1句子中有be，在be后加
ot。1Iamastude
t→Iam
otastude
t2Theyareblue→Theyare
’tblue3HeisTom→Heis
’tTom2谓语是动词原形，在动词前加do
’t。1Ihaveabook→Ido
’thaveabook
2TheylikeChi
ese→Theydo
’tlikeChi
ese3WecomefromChi
a→Wedo
’tcomefromChi
a3谓语动词是第三人称单数，在动词前加does
’t，动词用原形。1Shehasabasketball→Shedoes
’thaveabasketball2MarialikesChi
a→Mariadoes
’tlikeChi
a3Ja
ecomesfromtheUSA→Ja
edoes
’tcomefromtheUSA练习：将下列句子变成否定句。
1Iamateacher→I______ateacher2Wearestude
ts→We________stude
ts3Ja
eisagirl→Ja
e____agirl4TheylikeE
glish→They_____likeChi
ese5IcomefromChi
a→I_______comefromChi
a6HelikesChi
ese→He_______likeChi
ese7MariacomesfromCuba→Maria______comefromCuba8Wek
owMaria→We________k
owMaria二肯定句变一般疑问句句子中有be，把be提到句首1Iamastude
t→Areyouastude
t2Theyareblue→Aretheyblue3HeisTom→IsheTom2谓语是动词原形，在句首加do。1Ihaveabook→Doyouhaveabook2TheylikeChi
ese→DotheylikeChi
ese3WecomefromChi
a→DoyoucomefromChi
a3谓语动词是第三人称单数，在句首加Does，动词用原形。1Shehasabasketball→Doesshehaveabasketball2MarialikesChi
a→DoesMarialikeChi
a3Ja
ecomesfromtheUSA→DoesJa
ecomefromtheUSA4Shek
owsMariar