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八年级英语下册第五单元知识点整理
一
.
重要词汇和句子
1.
助动词
do
用于
条件状语从句
或
答语中
起省略作用
,
可使句子更简练
.
(1)--- I
think
I’
m
going
to
take
the
bus
to
the
party .
--- If
you
do ,
you
’
ll
be
late .
(2) --- Do
you
like
reading
harry
potter ?
---
No , I
don
’
t
.
But
my
sister
does .
2. have
a
good great wonderful
time ==
have
fun == enjoy
oneself
玩得很高兴
过得很愉快
I
had
a
good great
wonderful
time
in
the
park
yesterday .
==I
had
fun
in
the
park
yesterday .
== I
enjoyed
myself
in
the
park
yesterday .
3. let
sb.
sth.
in
让某人
某物进来
Why
not
let
him
in ?
You
’
d
better
open
the
windows
and
let
some
fresh
air
in .
4. organize
动词
,
“
组织
,
安排
,
筹备
”
They
are
going
to
organize
a
picnic .
organization
名词
,
“
组织
,
机构
”
She
works
for
a
voluntary
organization
helping
homeless
people .
organizer
名词
,
“
组织者
,
建立者
”
The
organizers
of
the
concert
said
they
had
a
great
success .
5.
take
away
拿走
,
取走
take ( an
active ) part
in
(
积极
)
参加
take
off
起飞
,
脱下
take
…
to
…
把
…
..
带到
……
take
turns
to
do
sth
轮流做某事
take
a
look ( at )
看一看
take
exercise
做运动
take
notes
做笔记
take
a
rest
休息
take
one
’
s
temperature
量体温
take
it
easy
别着急
,
别紧张
take
over
接管
6. a
good
time
to
do
sth
做某事的好时间
March
is
a
good
time
to
plant
trees .
Autumn
is
a
good
time
to
travel .
7. remind
sb.
of
sth.
提醒某人做某事
If
I
forget , please
remind
me
to
write
to
my
mother .
8. around
the
world ==
all
over
the
world
在世界各地
全世界
Football
is
very
popular
around
the
world
all
over
the
world .
His
dream
is
to
travel
around
china .
9. make
a
living === for
a
living
谋生
In
this
city
he
drives
a
taxi
to
make
a
living for
a
living.
What
does
your
father
do
to
make
a
living for
a
living ?
make
a
living
( by )
doing
sth .
以做某事谋生
The
old
man
makes
a
living
(by)
hunting .
10.
提建议的句子
Why
not
do
sth ?
为什么不做某事
?
Why
don
’
t
you
do
sth ?
为什么不做某事
?
What
about how
about
doing ?
做某事怎么样
?
Would
you
like
to
do
sth ?
你想
愿意做某事吗
?
Shall
we
do
sth ?
我们去做某事
,
好吗
?
Let
’
s
do
sth ,
shall
we ?
让我们做某事
,
好吗
?
Do
you
want
to do
sth ?
你想去做某事吗
?
11. seem
like
sth
看起来像
……
It
seems
like
years
since
I
last
saw
you
.
自从我上次见到你以后
,
好象是过了好几年
.
Those
cards
seemed
like
many
little
flags
.
那些卡片看起来好象许多小旗子。
Seem
like
doing
sth .
看起来像做某事
He
seemed
like
forgetting
what
had
happened .
12. chance
名词
,
“
机会
,
机遇
”
We
have get
a
good
chance
of
winning
the
match .
There
is
little
chance
of
meeting
him
again .
by
chance = by
accident
偶然地
We
met
him
by
chance
yesterday .
take
a
chance
on
sth .
在
……
上冒险
you
shouldn
’
t
take
a
chance
on
that .
13. all
the
time
总是
,
一直
They
are
singing
the
same
song
all
the
time .
You
can
hear
them
talking
and
laughing
all
the
time .
He
stayed
at
home
all
the
time
last
night
其它短语
:
in
time
及时
on
time
准时
at
times
有时
at
that
time
在那时
at
the
same
time
同时
once
upon
a
time
从前
as
time
goes
on
随着时间地推移
take
one
’
s
time
不着急
watch
one
’
s
time
等待时机
14. have
a
difficult
time
( in )
doing
sth.
难于做某事
,
做某事有困难
==
have
problems (
in)
doing
sth.
== have
trouble
( in )
doing
sth.
We
have
a
difficult
time
working
out
the
problem .
They
have
some
problems
getting
to
the
top
of
the
mountain .
15.
against
介词
,
“
反对
,
不同意
,
抵抗
,
对抗
,
对
……
不利
”
反意词
for,
“
赞成
”
There
were
20
votes (
票
)
for
him
and
12
against
him .
They
sailed
against
the
wind
.
他们顶风航行
.
You
need
to
wear
a
coat
against
the
cold
.
你需要穿上外套防寒
.
He
is
standing
against
the
wall .
他靠墙站着
.
He
hit
against
a
tree .
他撞到了树上
.
We
are
going
to
play
a
basketball
match
against
Class
Two
on
Sunday .
16.
forget
忘记
forget
sth
忘记某物
forget
to
do
sth
忘记去做某事
forget
doing
sth.
忘记做了某事
leave
sth
somewhere
把某物忘在某处
I
forgot
to
turn
off
the
light
when
I
left.
I
forgot
telling
him
the
message
and
told
him
again .
---
Did
you
forget
your
homework ?
---
Yes, I
left
it
at
home .
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