4B知识点归纳：
一周的星期前用介词on，如：on
Monday,
on
Monday
morning
时间点前用介词
at,
如：at
ten,
at
ten
forty-five
一年四季用介词
in
如：in
spring,
in
summer
第三人称单数，动词have变has,
或在单词后加s,
如：
（1）She/He/David
has
a
fever/has
lunch.
（2）She/He/David
draws
some
pictures
in
the
park.
（3）My
hand
hurts.
在can,
want
to,
don’t后面加动词原形。如：
（1）She/He/David
can
have
lunch
at
twelve.
（2）She/He/David
wants
to
drink
some
juice.
（3）Don’t
swim
in
the
river,
it’s
very
dangerous.(危险的)
6.
some一般用于肯定句和征求别人意见的疑问句中，如：
（1）I
can
see
some
cakes
on
the
table.
我在桌子上能看到一些蛋糕。
（2）Can
I
have
some
cakes
我可以吃些蛋糕吗？
（3）Would
you
like
some
cakes
你想要些蛋糕吗？
any
一般用于疑问句和否定句中，如：
（1）Do
you
have
any
cakes
你有蛋糕吗？
（2）Can
you
see
any
flowers
under
the
tree
在树下你能看见花吗？
（3）We
don’t
have
any
lessons
on
Saturday.
我们在周六没有课。
7.
be动词am,
is,
are的用法。
am只和I搭配。is和一个人或一件物品
或it,
this搭配，are
和两个及两个人以上或两件或两件以上物品或we,
they,
these,
those搭配。如：
（1）I
am=
I’m
very
cold.
(
2
)
She/He/David
is
very
hot.
(
3
)
The
cat
is
very
hungry.
(
4
)
It
is
a
fine
day.
(
5
)
Whose
dress
is
this
(
6
)
We/
They
are
ill.
(
7
)
These/
Those
cakes
are
very
nice.
(
8
)
Helen
and
Mike
are
at
home
now.
(
9
)
Five
books
are
on
the
table.
8.
除了特定单词前用“
an”
表示，其余都是用“
a
”
表示。
an
apple
一个苹果
an
elephant
一头大象
an
orange
coat
一件橙色外套
an
ice
cream
一个冰淇淋
have
an
Art
lesson
上/有一节美术课
an
English
book
一本英语书
an
egg
一个鸡蛋
9．in
the
tree表示外来物在树上，如小鸟、猴子、气球等。
on
the
tree
表示长在树上的东西，如树叶、果实等。
（1）I
can
see
some
birds/
monkeys
in
the
tree.
(
2
)
I
can
see
some
apples/pears
on
the
tree.
10．夏天白天长，晚上短。
In
summer,
the
day
is
long
and
the
night
is
short.
冬天白天短，晚上长。
In
winter,
the
day
is
short
and
the
night
is
long.
11.
What’s
the
matter
with
+宾格？如：What’s
the
matter
with
me(我)/us（我们）you( 你，你们)/him(他)/her(她)/them(他们)
怎么了？
