六年级上册Unit 4 I have a pen pal part B let's learn课件

(共31张PPT)
B
.
Let’s
learn
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I
like
playing
football.
He
likes
reading
stories.
比较：
动词原形
动词第三人称单数形式
like
likes
2.动词发生了哪些变化？
1.什么时候用动词第三人称单数形式？
3.动词的变化有什么规律？
观察并总结：???
I
have
a
new
pen
pal(笔友）.
His
name
is
John.
cooks
Chinese
food
John
cook
Chinese
food
cook
cook
单三
s
He
(live)
in
Australia,but
he
often
(cook)
Chinese
food.
lives
cooks
一般情况在词尾加s,
like—likes
…
s
studies
Chinese
John
study
Chinese
study
stud
单三
1、以辅音字母+y结尾的动词变第三人称单数把y为i再加es
fly--flies
study--
studies
小结：
i
es
2、以元音+y结尾的单词，加s
play--
plays
say--
says
stud
es
i
He
Chinese
every
day.
John
studies
math
every
day.
in
the
morning.
after
lunch.
at
8:00.
学数学
学英语
学电脑
学美术
主语（第三人称单数）
studies
studies
English
studies
computer
studies
art
Does
she/he
do
word
puzzles?
does
word
puzzles
do
word
puzzles
do
do
单三
以o结尾的动词变第三人称单数结尾加es。
go–
goes
do–
does
小结：
John
He
often
does
word
puzzles
at
school.
es
es
goes
hiking
John
go
hiking
go
go
单三
es
es
He
hiking
on
Sundays.
John
Let’s
practise
does
word
puzzles
cooks
Chinese
food
studies
Chinese
goes
hiking
1.一般情况在词尾加s,
like--likes
2.以o.
s
.x
.sh.
ch.等结尾的单词，加es
go--
goes
teach--
teaches
push
--pushes
3.以元音+y结尾的单词，加s
play--
plays
say--
says
4.以辅音字母+y结尾的单词变y为i再加es
fly--
flies
study--
studies
动词的第三人称单数形式的变化规律
read
–
look
–
work
–
say
–
run
–
go
–
do
–
watch
–
teach
–
have
–
一般现在时动词第三人称单数的变化规则
1.
一般情况下，动词后直接加s.
Eg：works,
gets,
reads等.
2.
以s，x，ch，sh或o结尾的动词，在后面加es
Eg:goes,
teaches,
watches等
动词have遇在主语是第三人称单数时，have改为has，如：He
has
an
interesting
book
.
写出下列动词的第
三
人称单数形式
reads
looks
works
says
runs
goes
does
watches
teaches
has
在英语中动词的第三人称单数形式的读音规律
cooks
cooks
s
s
s
lives
lives
z
z
z
reads
reads
z
z
z
does
does
z
z
z
goes
goes
z
z
z
studies
studies
z
z
z
watches
watches
iz
iz
iz
Beijing
Shanghai
Nanchang
Does
your
pen
pal
live
in
…?
动词原形
你发现了什么？
助动词放在句首
Does
he
teach
English?
Yes
,he
does.
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绿色圃中小学教育网http://www.lspjy.com
Does
Mr.
Black
live
in
Beijing
?
Yes
,
he
dose
.
Does
Mr.
Black
live
in
Nanchang?
No
,he
doesn’t
.He
lives
in
Beijing
.
变一般疑问句,找动词，
动原句首加do；如果动词是三单，助动词does句首请，主语紧随在其后，后面动词改原形,其他部分依次站。
I
go
to
school
on
foot.
you
go
to
school
on
foot
Do
?
Amy
goes
to
school
on
foot.
Amy
go
to
school
on
foot
Does
es
?
动词原形
动词第三人称单数
仿照例子写句子：
例子:
teach
English
→He
teaches
English.
→
Does
he
teach
English?
→
Yes,
he
does.
→
No,
he
doesn’t.
1、
live
in
Australia
He
lives
in
Australia.
Does
he
live
in
Australia?
Yes,he
does.
→
No,he
doesn’t.
→
→
→
2、fly
kites
on
the
weekend
He
flies
on
the
weekend.
Does
he
fly
on
the
weekend?
Yes,he
does.
→
No,he
doesn’t.
→
→
→
一、我会写出下列单词的第三人称单数形式。
live
__________
2.
study
________
3.
watch
_________
4.
go
___________
5.
do
___________
6.
play___________
lives
studies
watches
goes
does
plays
二、我会选出正确的单词完成句子。
1．He
___________(
live
/
lives
)
in
Beijing.
2.
__________
(
Do
/
Does
)
your
pen
pal
live
in
China?
3.
Mr.
White
___________(
study
/
studies
)
Chinese.
4.
I
often_______(
go
/
goes
)
to
school
on
foot.
My
mother
________(
go
/
goes
)
to
work
by
bus.
5.
Bill
likes
__________(
watch
/
watching
)
TV.
He
often
__________(
watch
/
watches
)
TV
on
the
weekend.
lives
Does
studies
go
goes
watching
watches
在英语中一般现在时常以动词原形表示，但当主语是第三人称单数时（he
she
it…），应用动词的第三人称单数形式.动词的第三人称单数形式的变化规律：
1.一般情况在词尾加s,
like--likes
2.以o.
s
.x
.sh.
ch.等结尾的动词，加es
go--
goes
teach--
teaches
fix--fixes
wash
–washes
pass--passes
3.以元音+y结尾的单词，加s
play--
plays
say--
says
4.以辅音字母+y结尾的单词变y为i再加es
fly--flies
study--
studies
小
结
总结:
Does＋单三主语＋
动词原形＋其他？
肯定回答：Yes,
he／
she
does.
否定回答：No,
he
／she
doesn’t.
谢谢
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