上海牛津小学英语语法知识总结精选文档
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上
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津
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英
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语
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总
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office room
【
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上海牛津小学英语语法知识总结
一般现在时
1
、定义:表示经常发生或习惯性的动作、状态。句中通常有
usually
,
often
,
ever
y day
,
sometimes
,<
/p>
always
,
at
weekends
,
on
Sundays
等表示经常性时间的短语。
2
、构成:
1
)当谓语是
be
动词
时,一般现在时的构成:
主语+
be
< br>动词+其他
如:
I am a
student.
He is
Jim’s
father.
They are from
Japan.
2
)当谓语是
行为动词
时,一般现在时的构成:
①
主语
(非第三人称单数)
+动词原形+其他
p>
如:
I often watch TV
at the weekends.
Mr Green
and Mrs Green like collecting stamps.
②
主语
(第三人称单数)
+动词的第三人
称单数形式+其他
如:
Jim
usually visits his grandparents on Sundays.
She sometimes goes to the park with
her mother.
3
、
p>
动词三单形式
的变化规则:
•
•
•
•
•
•
•
一般情况下,直接加
s
如:
read-
reads
,
swim-swims
以
s
,
x
,
sh
,
ch
,
o
结尾,加
es
如:
wash-
washes
,
watch-
watches
,
do-does
以
辅音字母+
y
结尾,变
y
为
i
,再加
es
如:
study-
studies
,
fly-flies
•
•
不规则变化
如:
have-has
4
、一般现在时的句型转换:
肯定句
They
watch
TV
every
day.
She
watches
TV
every day.
现在进行时
1
、定义:表示现在或现阶段正在进行或发生的动作。句中常有
now
< br>,
look
,
listen
p>
等词。
如:
I
am washing clothes now.
Look! Liu Tao
is climbing the tree.
Listen! Jane is
singing in the music room.
2
、构成:
be
动词(
am/is/ar
e
)
+
动词现在分词(
V-ing
)
3
、
动词现在分词
构成:
否定句
They
don’t watch
TV
every day.
She
doesn’t
watch
TV every
day.
一般疑问句及回答
—
Do
they
watch
TV every day?
—
Yes, they
do
. / No, they
don’t
.
—
Does
she
watch
TV every day?
—
Yes, she
does
. / No, she
doesn’t
.
•
一般是在动词原形后加
ing
如:
read-
reading
,
drink-
drinking
,
eat-
eating
,
look-looking
•
以不发音的
e
结尾的动词,去掉
e
,再加
ing
如:
write-
writing
,
make-
making
,
ride-
riding
,
take-taking
•
以重读闭音节结尾,如末尾只有一
个辅音字母,要双写这个字母,再加
ing
如:
sit-
sitting
,
swim-
swimming
,
put-
putting
,
run-
running
,
stop-stopping
,
get-
getting
,
begin-
beginning
,
jog-
jogging
,
forget-forgetting
p>
4
、
动名词
其实就
是动词的现在分词,它既有名词性质(可作主语),又有动词性质(可带宾
语)。
如:
Asking the way
My hobby is collecting stamps.
He is good at skating.
5
、现在进行时的句型转换:
肯定句
He
is running
now.
否定句
一般疑问句及回答
—
Is
he
running
now?
He
isn’t running
now.
—
Yes, he
is
. / No, he
isn’t
.
They
aren’t making
a
puppet.
—
Are
they
making
a
puppet?
—
Yes,
they
are
. / No, they
aren’t
.
They
are making
a
puppet.
一般过去时
1
p>
、定义:表示过去某个时间里发生的动作或存在的状态。常和表示过去的时间状语连用,如:
a moment ago
,
just
now
,
yesterday
,
last week
,
this
morning
等。
如:
My brother often went to
school by bike last term.
The watch was
beside the diary a moment ago.
I
watched the moon and ate the moon cakes last Mid-
Autumn Festival.
Jim went to the
supermarket yesterday.
2
、构成:
主语
+
动词的过去式
< br>+
其他
3
、
动词过去式
的变化规则:
•
•
•
一般在动词原形末尾加
ed
如:
play-
played
,
listen-
listened
,
look-looked
结尾是
e
的动词,加
d
如:
live-
lived
,
like-
liked
,
taste-tasted
辅音字母+
y
结尾的动词,变
y<
/p>
为
i
,再加
ed
如:
study-
studied
,
carry-
carried
,
cry-cried
•
•
末尾只有一个辅音字母的重读闭音节词,双写这个辅音字母,
再加
ed
如:
stop-
stopped
,
pl
an-planned
•
•
不规则变化
如:
am/is-was
are-were have/has-had
do-did
go-went sit-sat
tell-told see-saw
get-got make-made
give-gave read-read