【暑假衔接】人教新目标英语七升八年级—八年级上册 Unit 2 Section A 重要知识点预习+课件(共22张PPT)

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名称 【暑假衔接】人教新目标英语七升八年级—八年级上册 Unit 2 Section A 重要知识点预习+课件(共22张PPT)
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更新时间 2021-08-01 22:08:08

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中小学教育资源及组卷应用平台
八年级上册Unit
2
How
often
do
you
exercise?
知识预习
Section
A
一、单词预习
housework
/?ha?sw??k/
n.
家务劳动;家务事
hardly
/?hɑ?(r)dli/
adv.
几乎不;几乎没有
ever
/?ev?(r)/
adv.
在任何时候;从来;曾经
hardly
ever
几乎从不
once
/w?ns/
adv.
一次;曾经
twice
/twa?s/
adv.
两次;两倍
Internet
/??nt?net/
n.(国际)互联网;因特网
program
/?pr??ɡr?m/
n.
节目(=programme)
full
/f?l/
adj.
忙的;满的;充满的
swing
/sw??/
n.
摆动;秋千
swung
/sw??/
v.
(使)摆动;摇摆
swing
dance
摇摆舞
maybe
/?me?bi/
adv.大概;或许;可能
least
/li?st/
adv.最小;最少
adj.
&
pron.最小的;最少的
at
least
至少;不少于;起码
二、重点短语
how
often
多久一次
help
with
housework
帮助做家务
hardly
ever
几乎从不
on
weekends
在周末
once
a
week
每周一次
twice
a
month
每月两次
be
free
有空
go
to
the
movies
去看电影
use
the
Internet
用互联网
have
dance
and
piano
lessons
上舞蹈课
和钢琴课
swing
dance
摇摆舞
play
tennis
打网球
stay
up
late
熬夜;睡得很晚
at
least
至少;不少于;起码
play
sports
进行体育活动
三、课文预习
Role-play
the
conversation.
Jack:
Hi,
Claire,
are
you
free
next
week?
杰克:
嗨,克莱尔,你下周有空吗?
Claire:
Hmm

next
week
is
quite
full
for
me,
Jack.
克莱尔:嗯……我下周很忙,杰克。
Jack:
Really?
How
come?
杰克:
真的吗?为什么?
Claire:
I
have
dance
and
piano
lessons.
克莱尔:我要上舞蹈课和钢琴课。
Jack:
What
kind
of
dance
are
you
learning?
杰克:
你在学哪种舞蹈?
Claire:
Oh,
swing
dance.
It’s
fun!
I
have
class
once
a
week,
every
Monday.
克莱尔:噢,摇摆舞。它很有趣!我一周上一次课,每周一上课。
Jack:
Ho
often
do
you
have
piano
lessons?
杰克:
你多久上一次钢琴课?
Claire:
Twice
a
week,
on
Wednesday
and
Friday.
克莱尔:一周两次,在周三和周五。
Jack:
Well,
how
about
Tuesday?
杰克:
哦,周二怎么样?
Claire:
Oh,
I
have
to
play
tennis
with
my
friends.
But
do
you
want
to
come?
克莱尔:噢,我得和我的朋友们打网球。但是你想来吗?
Jack:
Sure!
杰克:
当然!
四、重点知识点讲解
频度副词
?
频度副词的含义:表示次数、频率的副词称为频度副词。常用的频度副词按频率的高低依次为:always﹥usually﹥often﹥sometimes﹥seldom﹥hardly
ever﹥never
eg:John
always
comes
late.
约翰总是迟到。
He
hardly
ever
exercises.
他几乎从不锻炼。
?
表示具体的频率、次数时,一次用once,两次用twice,三次及以上用“基数词+
times”表示。
eg:I
exercise
once
a
week.我一周锻炼一次。
I
visit
my
grandmother
four
times
a
year.
我一年去看望我(外)祖母四次。
?
频度副词的位置
频度副词一般位于情态动词、助动词、连系动词之后,实义动词之前。
eg:He
can
never
understand.
他永远也不会明白。(在情态动词之后)
She
is
sometimes
very
busy.
她有时很忙。(在be动词之后)
He
sometimes
goes
there
on
business.
他有时到那里出差。(在实义动词之前)
?
频度副词常与一般现在时连用,表示现在经常或反复发生的动作。
eg:He
often
goes
to
school
by
bike.
他经常骑自行车去上学。
?
对这些频度副词提问时,用how
often
eg:How
often
do
you
write
to
your
elder
brother?
你多久给你哥哥写一封信?
how
often与how
many
times
how
often意为“多久一次”,引导的特殊疑问句,用来提问动作发生的频率提问。其结构为:“How
often
+
一般疑问句?”,一般用
sometimes,
never,
once
a
week(—周一次),every
day(每天),hardly
ever(几乎从不)
等表示频率的副词或副词词组来回答。
how
many
times意为“多少次”,用于询问次数。可用once,twice,three
times等进行回答。
eg:-How
often
does
he
dance?
他多久跳一次舞?
-Every
day.
每天(都跳)。
-How
many
times
have
you
been
to
Beijing?
你去过北京多少次了?
-Twice.
两次
英语中如何表示“次数”
英语中的“一次”为once;“两次"为
twice;三次或三次以上用“基数词+
times”,如:three
times三次,many
times许多次。
twice
a
week意为“一周两次",表示频率,其中twice用作副词,意为“两次”。这种频率的表示法:由“次数+时间段”构成,如:four
times
a
day
一天四次,常用
how
often提问。
eg:-How
often
does
your
mother
take
the
medicine?
你妈妈多久吃一次药?
-Three
times
a
day
一天三次。

once还可意为"曾经;从前
eg:That
man
once
lived
in
Guangzhou.
那个人曾住在广州。
Once
there
was
a
tiger
in
the
forest.
从前森林里有一只老虎。

once的固定搭配:
eg:at
once立刻,马上
once
or
twice
一两次
once
again
再一次
sometimes,
sometime,
some
times
some
time的用法
sometimes
频度副词:“有时候”
表示动作发生的不经常性,多与一般现在时连用,可位于句首、句中或句末。对它提问用
how
often
sometime
副词:“在某时在某一时刻”
表示某个不确切或不具体的时间,常用于过去时或将来时,对它提问用
when
some
times
名词短语:“几次;几倍”
其中time是可数名词,意为"次,倍"。对some
times
提问用how
many
times
some
time
名词短语:“一段时间”
句中谓语动词常为延续性动词;对它提问用how
long
eg:Li
Ming
sometimes
writes
to
me.
李明有时给我写信。
You
might
lose
it
sometime
yesterday.
你可能在昨天的某一时刻把它弄丢了。
They
tried
some
times.
At
last
they
dropped
it.
他们试了几次,最后还是放弃了。
It
took
me
some
time
to
finish
my
homework.
完成家庭作业花了我一段时间。
use的用法
used
to
do
sth.
过去常常做某事
表示过去经常发生的动作或存在的状态,而现在已不再发生或存在。其否定形式常用used
not
to或didn't
use
to。反意疑问句中应该用did/didn't或used/usedn't。
be
used
to
do
sth.
be
used
for
doing
sth.
被用来做某事
use表"使用"之意,是被动语态形式,to是动词不定式符号。for是介词短语。
be
used
to
doing
sth.
be
used
to
sth.
习惯于做某事
表示习惯于某一客观事实或状态,其中to是介词,后面跟名词、代词或动名词。be
used可用于多种时态;如强调动作可用get或become替换be。
use
sth.
to
do
sth.
用某物做某事
表示使用东西做什么事。
eg:I
used
to
play
football
after
school.
我过去常常放学后踢足球。
They
used
to
be
good
friends,
didn't
they?
他们过去是好朋友,是吗?
Old
people
are
used
to
getting
up
early
in
the
morning.
老年人习惯早晨很早起床。
Wood
can
be
used
to
make
paper.
树木可以用来造纸。
=Wood
can
be
used
for
making
paper.
The
tiger's
fur
can
be
used
for
coats.
老虎皮可当做大衣用
I
use
the
pen
to
write.
我用钢笔写字
free的用法
free
形容词
“空闲的,有空的”
be
free
有空的,反义词是busy。
形容词
“免费的,自由的”
be
free
to
do
sth
自由的做某事。
eg:I'll
be
free
tomorrow.
我明天有空。
I've
got
three
free
tickets
for
tonight's
film.
我有三张今晚的免费电影票。
You're
free
to
go
or
to
stay.
你想走就走,想留就留。
7、full的用法
full
形容词
“忙的”
形容词
“满的、充满的”常用短语为be
full
of,相当于be
filled
with,意为“充满…”。
形容词
“饱的”其反义词是hungry,意为“饥饿的”
eg:He
was
too
full
to
have
time
for
hobbies.
他太忙了,以至于没有培养业余爱好的时间。
Hotels
are
often
full
at
this
time
of
year.
在一年中的这个时候,旅馆经常客满。
The
room
is
full
of
people=The
room
is
filled
with
people.
房间里挤满了人
I
can't
eat
any
more.
I
am
quite
full.
我不能再吃了,我相当饱了。
maybe与may
be
maybe
副词,作状语,意为"或许;大概;能",常位于句首
may
be
属于"情态动词+动词原形"结构,作谓语,意为"可能是;也许是”
eg:Maybe
she
is
right.
或许她是对的。
She
may
be
right.
她也许是对的。
I
go
to
the
movies
maybe
once
a
month.
我大概一个月去看一次电影。
21世纪教育网(www.21cnjy.com)(共22张PPT)
人教版
八年级上册
【暑假衔接】七升八年级
Unit
2
Section
A
单词预习
housework
/?ha?sw??k/
n.
家务劳动;家务事
hardly
/?hɑ?(r)dli/
adv.
几乎不;几乎没有
ever
/?ev?(r)/
adv.
在任何时候;从来;曾经
hardly
ever
几乎从不
once
/w?ns/
adv.
一次;曾经
twice
/twa?s/
adv.
两次;两倍
Internet
/??nt?net/
n.(国际)互联网;因特网
program
/?pr??ɡr?m/
n.
节目(=programme)
full
/f?l/
adj.
忙的;满的;充满的
swing
/sw??/
n.
摆动;秋千
swung
/sw??/
v.
(使)摆动;摇摆
swing
dance
摇摆舞
maybe
/?me?bi/
adv.大概;或许;可能
least
/li?st/
adv.最小;最少
adj.
&
pron.最小的;最少的
at
least
至少;不少于;起码
重点短语
重点短语
how
often
多久一次
help
with
housework
帮助做家务
hardly
ever
几乎从不
on
weekends
在周末
once
a
week
每周一次
twice
a
month
每月两次
be
free
有空
go
to
the
movies
去看电影
重点短语
use
the
Internet
用互联网
have
dance
and
piano
lessons上舞蹈课和钢琴课
swing
dance
摇摆舞
play
tennis
打网球
stay
up
late
熬夜;睡得很晚
at
least
至少;不少于;起码
play
sports
进行体育活动
课文预习
Jack:
Hi,
Claire,
are
you
free
next
week?
Claire:
Hmm

next
week
is
quite
full
for
me,
Jack.
Jack:
Really?
How
come?
Claire:
I
have
dance
and
piano
lessons.
Jack:
What
kind
of
dance
are
you
learning?
Claire:
Oh,
swing
dance.
It’s
fun!
I
have
class
once
a
week,
every
Monday.
Jack:
Ho
often
do
you
have
piano
lessons?
Claire:
Twice
a
week,
on
Wednesday
and
Friday.
Jack:
Well,
how
about
Tuesday?
Claire:
Oh,
I
have
to
play
tennis
with
my
friends.
But
do
you
want
to
come?
Jack:
Sure!
Role-play
the
conversation.
重点知识点讲解
频度副词
?
频度副词的含义:表示次数、频率的副词称为频度副词。常用的频度副词按频率的高低依次为:always﹥usually﹥often﹥sometimes﹥seldom﹥hardly
ever﹥never
eg:John
always
comes
late.
约翰总是迟到。
He
hardly
ever
exercises.
他几乎从不锻炼。
?
表示具体的频率、次数时,一次用once,两次用twice,三次及以上用“基数词+
times”表示。
eg:I
exercise
once
a
week.我一周锻炼一次。
I
visit
my
grandmother
four
times
a
year.
我一年去看望我(外)祖母四次。
?
频度副词的位置
频度副词一般位于情态动词、助动词、连系动词之后,实义动词之前。
eg:He
can
never
understand.
他永远也不会明白。(在情态动词之后)
She
is
sometimes
very
busy.
她有时很忙。(在be动词之后)
He
sometimes
goes
there
on
business.
他有时到那里出差。(在实义动词之前)
?
频度副词常与一般现在时连用,表示现在经常或反复发生的动作。
eg:He
often
goes
to
school
by
bike.
他经常骑自行车去上学。
?
对这些频度副词提问时,用how
often
eg:How
often
do
you
write
to
your
elder
brother?
你多久给你哥哥写一封信?
how
often与how
many
times
how
often意为“多久一次”,引导的特殊疑问句,用来提问动作发生的频率提问。其结构为:“How
often
+
一般疑问句?”,一般用
sometimes,
never,
once
a
week(—周一次),every
day(每天),hardly
ever(几乎从不)
等表示频率的副词或副词词组来回答。
how
many
times意为“多少次”,用于询问次数。可用once,twice,three
times等进行回答。
eg:-How
often
does
he
dance?
他多久跳一次舞?
-Every
day.
每天(都跳)。
-How
many
times
have
you
been
to
Beijing?
你去过北京多少次了?
-Twice.
两次
英语中如何表示“次数”
英语中的“一次”为once;“两次"为
twice;三次或三次以上用“基数词+
times”,如:three
times三次,many
times许多次。
twice
a
week意为“一周两次",表示频率,其中twice用作副词,意为“两次”。这种频率的表示法:由“次数+时间段”构成,如:four
times
a
day
一天四次,常用
how
often提问。
eg:-How
often
does
your
mother
take
the
medicine?
你妈妈多久吃一次药?
-Three
times
a
day
一天三次。

once还可意为"曾经;从前
eg:That
man
once
lived
in
Guangzhou.
那个人曾住在广州。
Once
there
was
a
tiger
in
the
forest.
从前森林里有一只老虎。

once的固定搭配:
eg:at
once立刻,马上
once
or
twice
一两次
once
again
再一次
sometimes,
sometime,
some
times
some
time的用法
sometimes
频度副词:“有时候”
表示动作发生的不经常性,多与一般现在时连用,可位于句首、句中或句末。对它提问用
how
often
sometime
副词:“在某时在某一时刻”
表示某个不确切或不具体的时间,常用于过去时或将来时,对它提问用
when
some
times
名词短语:“几次;几倍”
其中time是可数名词,意为"次,倍"。对some
times
提问用how
many
times
some
time
名词短语:“一段时间”
句中谓语动词常为延续性动词;对它提问用how
long
eg:Li
Ming
sometimes
writes
to
me.
李明有时给我写信。
You
might
lose
it
sometime
yesterday.
你可能在昨天的某一时刻把它弄丢了。
They
tried
some
times.
At
last
they
dropped
it.
他们试了几次,最后还是放弃了。
It
took
me
some
time
to
finish
my
homework.
完成家庭作业花了我一段时间。
use的用法
used
to
do
sth.
过去常常做某事
表示过去经常发生的动作或存在的状态,而现在已不再发生或存在。其否定形式常用used
not
to或didn't
use
to。反意疑问句中应该用did/didn't或used/usedn't。
be
used
to
do
sth.be
used
for
doing
sth.
被用来做某事
use表"使用"之意,是被动语态形式,to是动词不定式符号。for是介词短语。
be
used
to
doing
sth.be
used
to
sth.
习惯于做某事
表示习惯于某一客观事实或状态,其中to是介词,后面跟名词、代词或动名词。be
used可用于多种时态;如强调动作可用get或become替换be。
use
sth.
to
do
sth.
用某物做某事
表示使用东西做什么事。
eg:I
used
to
play
football
after
school.
我过去常常放学后踢足球。
They
used
to
be
good
friends,
didn't
they?
他们过去是好朋友,是吗?
Old
people
are
used
to
getting
up
early
in
the
morning.
老年人习惯早晨很早起床。
Wood
can
be
used
to
make
paper.
树木可以用来造纸。
=Wood
can
be
used
for
making
paper.
The
tiger's
fur
can
be
used
for
coats.
老虎皮可当做大衣用
I
use
the
pen
to
write.
我用钢笔写字
free的用法
free
形容词
“空闲的,有空的”
be
free
有空的,反义词是busy。
形容词
“免费的,自由的”
be
free
to
do
sth
自由的做某事。
eg:I'll
be
free
tomorrow.
我明天有空。
I've
got
three
free
tickets
for
tonight's
film.
我有三张今晚的免费电影票。
You're
free
to
go
or
to
stay.
你想走就走,想留就留。
full的用法
full
形容词
“忙的”
形容词
“满的、充满的”常用短语为be
full
of,相当于be
filled
with,意为“充满…”。
形容词
“饱的”其反义词是hungry,意为“饥饿的”
eg:He
was
too
full
to
have
time
for
hobbies.
他太忙了,以至于没有培养业余爱好的时间。
Hotels
are
often
full
at
this
time
of
year.
在一年中的这个时候,旅馆经常客满。
The
room
is
full
of
people=The
room
is
filled
with
people.
房间里挤满了人
I
can't
eat
any
more.
I
am
quite
full.
我不能再吃了,我相当饱了。
maybe与may
be
maybe
副词,作状语,意为"或许;大概;能",常位于句首
may
be
属于"情态动词+动词原形"结构,作谓语,意为"可能是;也许是”
eg:Maybe
she
is
right.
或许她是对的。
She
may
be
right.
她也许是对的。
I
go
to
the
movies
maybe
once
a
month.
我大概一个月去看一次电影。
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