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八年级下册重点语法和短语
Unit 1
Will people have robots?
重点语法：一般将来时态的应用
do/does
的一般将来时态形式：
(shall/will) do
do/does
的一般将来时态的被动语态：
(shall/will) be
done
一般将来时态的肯定句、否定句、疑问句形式：
肯定句例句：
People will have
robots in a few years.
否定句例句：
People (will
not/won't) have robots in a few years.
一般疑问句例句：
Will people have
robots in a few years?
特殊疑问句例句：
What will people
have in a few years?
重点短语：
won't = will not
they'll = they
will
she'll = she
will
he'll = he
will
I'll = I will
fall in love
with(sb./sth.)
爱上（某人
/
某物）
be able to do sth.
能够做某事
come true
实现
in the future
未来
hundreds of
数以百计的
thousands of
数以千计的
look for(sb./sth.)
寻找（某人
/
某物）
will → would
情态动词
will
的原形和过去式
may → might
情态动词
may
的原形和过去式
Unit 2 What should I do?
重点语法：过去将来时态（将来时态的委婉说法）
do/does
的过去将来时态形式：
(should/would) do
do/does
的过去将来时态的被动语态：
(should/would)
be done
过去将来时态的肯定句、否定句、疑问句形式：
肯定句例句：
You should write a
letter to him.
否定句例句：
You
shouldn't write a letter to him.
一般疑问句例句：
Should I write a
letter to him?
特殊疑问句例句：
What
should I do?
重点短语：
keep sb.
out
不让某人进入
What's wrong? = What's the matter? =
What's the problem?
怎么了？
out of style
不时髦的；过时的
call sb. up
给某人打电话
pay for sth.
为某事付款
part-time job
兼职工作
the same as = be same (to/with)
与
……
同样
in style
时髦的；流行的
get on [well] with sb. = get along
[well] with sb.
与某人相处（好）
didn't = did not
couldn't = could
not
as ... as
possible
尽可能
……(eg/ as soon
as possible
尽快
)
all kinds of
各种；许多
on the one hand
一方面
on the other hand
另一方面
ask sb. for sth. = ask sb. to do sth.
请求某人做某事
ask sb. not to do sth.
请求某人不要做某事
spend (money) on sth. = spend (money)
[in] doing sth.
花钱做某事
sth. cost sb.
(money)
某人花钱为了某事
take sb. sometime to do sth.
花某人时间做某事
find out
查明
find sb. doing
sth.
发现某人做某事
be angry with sb.
生某人的气
be angry at sth.
生某事的气
the same age as = as old as
与某人年龄一样
have fight with sb.
与某人打架
learn to do sth.
学会做某事
not ... until ...
直到
< br>……
才
……
compare sth.(A)
with sth.(B)
把某事
(A)
与某事
(B)
作比较
it's time for sth.
= it's time to do sth.
到该做某事的时间了
maybe adv.
或许
may be
（情态动词
+
动词原形）可能是
shall → should
情态动词
shall
的原形和过去式
pay → paid → paid
动词
pay
的原形、过去式和过去分词
Unit 3 What were you doing when the UFO
arrived?
重点语法：过去进行时态
do/does
的过去进行时态形式：
(was/were) doing
do/does
的过去进行时态的被动语态：
(was/were)
being done
过去将来时态的肯定句、否定句和疑问句形式：
肯定句例句：
I was walking down the
street when a UFO landed.
否定句例句：
I wasn't walking down
the street when a UFO landed.
一般疑问句例句：
Were you walking
down the street when a UFO landed?
特殊疑问句例句：
What were you doing
when a UFO landed?
动词
when
和
while
的选择：
when
后加瞬间动词，
while
后加延续性动词。
例句：
The boy was walking down
the street when the UFO landed.
=While the boy was walking down the
street, the UFO landed.
感叹句
结构：
(1) How + adj. + the +
主语
+
谓语动词
=(2) What + (a/an) + [adj.] + n. +
主语
+
谓语动词
例句：
What a beautiful flower
[it is]!
=How beautiful
the flower is!
What
beautiful flowers [they are]!
=How beautiful the flowers are!
重点短语：
get out
出去；离开
take off
起飞
run away
逃跑；跑掉
come in
进来
hear about = hear
of
听说
take place
发生
as ... as
< br>像
……
一样
(eg/ as
old as him
像他一样老
)
anywhere =
everywhere = here and there
任何地方
think about
考虑
think of
认为
get up = get out of the bed
起床
at the doctor's
在诊所
every day
每一天
everyday adj.
日常的
most adj.
大部分
the most
最多的
in space
在太空中
national hero
民族英雄
all over the world = in the world
全世界
Unit 4 He said I was hard-working.
重点语法：宾语从句
结构：主语
+
谓语动词
+
宾语从句
(
主语
+
谓语动词
+
宾语
/
表语
)
例句：
----I'm good at English.
He says. (
改为加宾语从句的复合句
)
----He says I'm good
at English.
注意：①主句是一般现在时态，宾语从句的时态不受其影响。
例句：
He
says I'm good at English now.
He says I was good at mathematics when
I was young.
②主句是过去时态，宾语从句也要用过去时态。
例句：
He
said I was good at mathematics when I was young
yesterday.
He
said I was good at English now yesterday.
③宾语从句是客观真理时永远用一般现在时态。
例句：
Our
teacher says 24 hours make a day.
Our teacher said the sun gives us so
many energy yesterday.
④动词原形不能作主语，必须用其
-ing
形式。
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