初中英语Unit 2 This is my sister Section A Grammar Focus-3c课件

Unit

2

This

is

my

sisterGrammar

FocusLook

and

sayThis

is

an

apple.That

is

an

apple,

too.Those

are

tomatoes.thoseThese

are

bananas.Who

is

he/she?He/She

is

..Who

are

they?They

are.This

is..That

is...These

are...Those

are..my

family

photoThis

is

my

friend

Jane.That's

my

grandfather.These

are

my

brothers.Those

are

my

parents.指示代词：this、that、these、thoseGrammar

Focus近处单数复数介绍人物远处this指代距离说话人较近的人或物，复数形式为these。that指代距离说话人较远的人或物，复数形式为those。it指性别不明的婴儿、身份不明的人或是只闻其声未见其

人，或代替前文中所提到的事物。指示代词

：用来指示或标识人或事物的代词。指示代词、定冠词、人称代词一样，都具有指定的含义，用来起指示

作用，或用来代替前面已提到过的名词。例：This

is

an

apple

tree.这是一棵苹果树。That

is

an

orange

tree.

那是一棵桔子树。Th

e

pen

doesn't

work.It'

sLily's.

这支钢笔坏了。它是莉莉的。注意：在回答this

或that

作主语的疑问句时，通常用人称代词it

代替this/that;在回答these

或those

作主语的疑问句时，通常用they

代替these/those。例句：①-Is

this

a

notebook?

-Yes,

it

is.②-What's

that

?

-It

's

a

key.③-Are

these/those

your

apples?

-Yes,

they

are.Who's

she?She's

my

sister.Who's

he?He's

my

brotherWho're

they?They're

mygrandparents.who引导的特殊疑问句：

Who+be

动词+人称代词/人物名称Grammar

Focus辨别人物who're

=

who

are

who's

=

who

isthey're

=

they

are=

that

isthat's等连用时，为了简便常用缩写形式。who

are

who'reI

am

I'mhe

is

he'swhat

is

what's与be

动词am、is、arewho

is

who'sthey

are

they'reshe

is

she'sit

is

it's不能缩写的情况：this

is;

these

are;

those

are;

am

not;

一般疑问句的肯定回答中that's是that

is

的缩写形式。当人称代词、指示代词及疑问词句子单数变复数，5变化：①指示代词变

(this

变these,that

变those)②主格人称代词变

(I

变we,you

变

you,

she/he/it变they)③单数名词变④be动词变

(is

变are)⑤不定冠词a/an

去掉thisthatitsheheparenta

friend

these

those

they

parents

→

friendsthat's

=

that

is

who're

=

who

are

who's

=

who

is

they're

=

they

aresister

sistersbrother

→

brotherssingular

plural1.This

1S

(be)my

friend

.(friend)2.

These

are

(be)my

brothers

.(brother)3.

That

1S

(be)

my

grandfather

(grandfather)4.

Those

are

(be)my

parents

.(parent)5.I

am

(be)Lin

Tao.

They

are

(be)my

sisters

(sister)A:

That

is

my

family.

That'sB:

Who's

he?A:

He's

my

father.B:

Who's

sheA:

She's

my

sister.B:

And

who're

_they?A:

They're

my

grandparents.3a

Complete

the

conversation

and

practice

it

with

your

partner.my

mother.

Look

at

the

picture.

Make

sentences

with

the

words

in

the

three

boxes.看图，从方框中选词造句。thisfather

motherthat

my

grandfather

grandmotherthese

your

parents

grandparentsbrother

sisterJackIs

she

youraunt?She's

mygrandmother.3c.

Make

conversations

in

pairs

according

to

the

example.介绍人物

This/That

is.句

型