人教版英语七年级上册--Unit-2-This-is-my-sister-语法解析.pptxVIP

fatherandmotherloveyou.

单数句改复数句的方法：

1.把单数主语改为复数主语；2.把am,is改为are;

3.把单数可数名词改为复数名词；

4.注意不能改变句式结构。

Thisisabook.

Thesearebooks.

Thatisanoldmap.

Thoseareoldmaps.

将下列单数句子改成复数

1.Thisismybrother.

Thesearemybrothers.

2.Isthatyoursister?

Arethoseyoursisters?

3.Sheismyfriend.

Theyaremyfriends.

4.Thegirlisntmyclassmate.

Thegirlsarentmyclassmates.

Introduceyourfamilyoryourfriends.

(介绍你的家人和朋友们)(介绍位置相对较近的人)

Thisismy/his/her/XXs..这是...

Thesearemy/his/her/XXs..这些是…..(介绍位置相对较远的人)

Thatismy/his/her/XXs...那是..

Thosearemy/his/her/XXs...那些是…..

是一般疑问句，应用Yes,itis.或No,it

isnt.来回答。

—Isthisyourgrandmother?

—Yes,itis./No,itisnt.

【Yes,sheis./No,sheisnt】

2.Arethese/those...?应用Yes,theyare.或

No,theyarent.来回答。

——Aretheseyourbrothers?

—Yes,theyare./No,theyarent.

1.Isthis/that...?意为“这/那是.....吗?”

般疑问句

1.—IsthatyoursisterAnna?

—No,isnt.

B.theyC.he

2.—Aretheseyourgrandparents?

—Yes,are.

A.theseBheyC.those

3.Look!Thatsmy

Thosearemyparents.

A.1?nilyB.brothersC.friends

●

将下列句子改成一般疑问句，并做相应回答。

1.Thesearemybrothers.否定回答

Aretheseyourbrothers?No,theyarent.

2.Thisisherfriend.否定回答

Isthisherfriend?No,itisnt.

3.SheisMikesmother.肯定回答

IssheMikesmother?Yes,sheis.

A:Thatsmyfamily.Thosearemyparents.

B:Whosshe?

A:Shesmysister.Oh,andthesearemybrother.

1.whos=whois

1c

2.who:“谁”,特殊疑问词之一，作句中做主语时，构成问人的特殊疑问句：who+be动词+代词。

e.g.Whoareyou?你是谁?Im...

Whoisshe/he?她/他是谁?She/Heis...Whoarethey?他们是谁?Theyare...

Whoisthis/that?这/那是谁?This/Thatis...Whoarethese/those?这些/那些是谁?

These/Thoseare...Theyare...

3.who在句中作其他成分时，其句子结构为Who+

一般疑问句

e.g.—Whoisthatgirl?

—Sheismyfriend,Gina.

Usefulsentences(核心句型)

·This/Thatismy/his/her/XX’s...

These/Thosearemy