内容正文:
初一下册北师大版
【寒假专版】A版句型全解
寒假专版
【A版句型全解】Is/Are+主语+doing sth?
初中·北师大版·初一下册
基本结构
句型结构:Is/AIre+主语+doing sth?Yes,主语+be.No,主语+be not
该句型用于现在进行时的一般疑问句及其肯定和否定回答。Is用于主语是第三人称单数时,
Are用于主语是第二人称或复数时。回答中be动词与问句保持一致,肯定回答用Yes,主语+be.”,
否定回答用No,主语+be not..”,be not可缩写为isn't/aren't。
例句展示:
Is she reading a book?Yes,she is.(她正在读书吗?是的,她在。)
Are they playing basketball?No,they aren't.(他们正在打篮球吗?不,他们没有。)
句型精讲(核心考法)
考法1:be动词与主语的搭配(基础核心考点)
搭配规则+例句对比
规则l:主语为第三人称单数(he/she/it/单数名词/不可数名词)→用Is
1:Is he reading a book?Yes,he is./No,he isn't.
例句2:Is the cat sleeping?Yes,itis./No,it isn't.
规则2:主语为第二人称(you)/第一人称复数(we)/第三人称复数(they/复数名词)→
用Are
1:Are you listening to music?Yes,I am.No,I'm not.
例句2:Are they playing basketball??Yes,they are../No,they aren't,
真题再现(2024北师大版七年级下册单元测试)
your brother
TV now?
初一下册北师大版
【寒假专版】A版句型全解
A.Is;watch
B.Are;watching
C.Is;watching
D.Are;watch
答案:C
解析:主语your brother是第三人称单数,be动词用Is,现在进行时动词用watching
考法2:现在分词的正确形式
变化规则+例句应用
规则l:一般动词直接加-ing→watch-watching,play-playing
例句:Is she playing the piano?Yes,she is.
规则2:以不发音字母e结尾的动词去e加-ing→dance-dancing,write-.writing
例句:Are they dancing in the room?No,they aren't.
规则3:重读闭音节动词双写尾字母加-ing→un-unning,swim-swimming
例句:Is he running on the playground?Yes,heis.
真题再现(2023北师大版七年级下册期中测试)
Look!The children_(swim)in the pool.(用所给词的适当形式填空)
答案:are swimming
解析:Look!提示现在进行时,主语children是复数,be动词用are,swim双写尾字母加
-ing
考法3:一般疑问句的肯定/否定回答
回答规则+例句示范
规则1:肯定回答结构→Yes,主语+be.(注意主语与问句一致,be动词与主语搭配)
例句l:Is Tom doing his homework?Yes,heis.
例句2:Are these birds singing?Yes,they are.
规则2:否定回答结构→No,主语+be not.(isn/aren't不可缩写时用完全形式)
例句l:Is Mary reading a storybook?No,she isn't.
2
初一下册北师大版
【寒假专版】A版句型全解
例句2:Are you drawing a picture?No,I'mnot.
真题再现(2024北京朝阳区七年级期末)
-Are the students having a class now?
A.Yes,they are.
B.Yes,they do.
C.No,they are.
D.No,they don't.
答案:A
解析:问句用Are提问,回答需用be动词,主语students用they代替,肯定回答为Yes,
they are.
考法4:对现在进行时动作的提问
提问规则+例句转换
规则:用What+be+主语+doing?提问正在进行的动作
例句l:原句She is singing a song.
间句:What is she doing?
例句2:原句They are playing football.
间句:What are they doing?
真题再现(2023北师大版七年级下册同步练习)
My father is washing the car.(对划线部分提问)
your father
答案:What is;doing
解析:对动作washing the car提问用What,主语father是第三人称单数,be动词用is,后接
doing
考法5:句型的情景交际应用
3
初一下册北师大版
【寒假专版】A版句型全解
应用场景+对话示例
场景1:询问他人正在做的事情
对话:—Is Lily cleaning her room?一No,she isn't.She's listening to music.
场景2:描述正在发生的场景
对话:—Look!What are the kids doing?-They are flying kites in the park,
真题再现(2024北师大版七年级下册期末情景交际)
-Yes,he is.He's playing basketball with his friends.
A.What is Tom doing?
B.Is Tom playing basketball?
C.Does Tom like basketball?
D.Where is Tom playing?
答案:B
解析:答句用Yes,heis.回答,可知问句是Is开头的一般疑问句,询问是否正在打篮球
句型综合训练
训练1:单项选择(考察现在进行时一般疑问句)
l.Is your mother」
dinner in the kitchen now?
A.cook
B.cooking
C.cooks
D.cooked
2.
the students
English songs in the classroom?
A.Are;sing
B.Is;singing
C.Are;singing
D.Do;sing
3.
Tom
his homework at the moment?
-No,he isn't.He's watching TV.
A.Does;do
4
初一下册北师大版
【寒假专版】A版句型全解
B.Is;doing
C.Are;doing
D.Did;do
4.What
the children
in the park now?
A.is;doing
B.are;doing
C.do:do
D.did;do
5.-Are you
to music?
-Yes,I am.
A.listen
B.listens
C.listening
D.listened
训练2:同义句转换(考察现在进行时动作提问)
1.She is reading a newspaper..(对划线部分提问)
she?
2.They are playing games on the playground.(对划线部分提间)
→
they on the playground?
3.My sister is washing clothes.(对划线部分提问)
your sister
4.The birds are singing in the tree.(对划线部分提问)
the birds in the tree?
5.He is writing a letter to his friend.(对划线部分提问)
he to his friend?
训练3:完成句子(考察现在分词形式)
1.Look!The boys
(run)on the playground.
2.My brother (swim)in the pool now
3.Listen!Someone
(sing)in the next room
5
初一下册北师大版
【寒假专版】A版句型全解
4.They
(dance)at the party at the moment.
5.She
(write)a story now.
训练4:写作高级句式(考察现在进行时情景应用)
1.看!那些孩子们正在公园里放风筝。
→Look!The children
in the park.
2.他正在和他的朋友们打篮球吗?是的,他在。
→he
with his friends?Yes,he is.
3.我的爸爸现在不在看电视,他在看书。
→My father
TV now,he
a book.
4.老师们正在办公室里讨论问题。
→The teachers
in the office.
5.她正在做什么?她正在画画。
she
?She
参考答案
I训练1:单项选择
1.B2.C3.B4.B5.C
Ⅱ.训练2:同义句转换
1.What is;doing 2.What are;doing 3.What is;doing 4.What are;doing 5.What is;
doing
I训练3:完成句子
1.are running 2.is swimming 3.is singing 4.are dancing 5.is writing
V.训练4:写作高级句式
1.are flying kites 2.Is;playing basketball 3.isn't watching;is reading 4.are discussing
problems 5.What is;doing;is drawing
6