Unit4 Finding your way Grammar课件(19张PPT)

(共19张PPT)
Unit 4 Finding your way
Grammar
Warm up
What can we see in Yancheng Zoo?
Talk about the animals in the zoo
We can see panda.
panda is eating bamboo.
a
The
We can see tiger.
tiger is sleeping.
a
The
We also see giraffe and elephant.
giraffe has long neck. elephant
has large ears. ears are like open fans
a
an
The
a
The
The
Watch and think about the difference between a and an:
a panda
a tiger
a giraffe
an elephant

结论：a用于辅音音素开头的词前，
an用于元音音素开头的词前。
用于序数词前，表示“又一，再一”。
不定冠词a , an的特殊情况:
I'm still hungry. Can I have a third apple?
我仍然饿，我能再吃一个苹果吗？
小试身手：用a或an填空
___ lion ___orange ___“F”

___giraffe ___ old man ___ “u”

___ umbrella ___ interesting book

___ hour
a
an
an
an
an
an
a
a
____ honest boy
an
注意：an是放于元音音素前，而不是元音字母前。
an
It is a panda . The panda is eating bamboo.

It is a tiger. The tiger is sleeping.

It is a giraffe. The giraffe has a long neck .

It is an elephant . The elephant has big ears.
Watch and think about how to
use “the”
结论：当我们首次提到某人或某物时，
在前面用不定冠词a/an。
当我们再次提到某人或某物时，
我们在前面加定冠词“the”。
a
a
The
the
an
a
a
an
the
the
定冠词(the)
1. 用于上文提到过的人或事物。
I want to read a book.
_____ book is very interesting.
2. 用于谈话双方都知道的人或事物，
表示“这/那个”。

Look at the blackboard.
The
看黑板。
4. 用于乐器名词前。
5. 用于某些adj.前表示一类人或事物。
play the piano, play the violin,
play the guitar
the poor/rich, the old/young
3. 用于世界上独一无二的事物。
the sun, the moon, the earth, the world,

7. 用于序数词、最高级前
I live on the second floor.
6. 用于姓氏复数前，表示“…夫妇/一家人”。
eg. The Whites often walk in the garden.
The Blacks The Greens
9. 用于一些固定短语中
the day before yesterday, in the morning,
at the same time, in the centre of …
8. 用于专有名词、江河湖海和山脉前
我住在二楼。
Tom is the best student in our class.

the Palace Museum, the Yellow River
小试身手：用适当的冠词填空，为什么？
1.We live on ___third floor of the tall building.
2.____Whites are having a birhday party in
the garden.
3.My cousin ,Amy,like playing ____violin.
4.___earth goes around ____sun.
5.I think you are ____best player .
6.____rich should try their best to help ____poor.
The
the
the
the
the
The
the
The
序数词前
用于姓氏复数形式前，表示某一家人
乐器前
世界上独一无二的事物
形容词最高级前
某些形容词前，表示某一类人
思考：
是不是所有的名词前都得加冠词？
零冠词（不用冠词）
1、一日三餐和球类运动前。
I like playing football.
2、在专有名词（国名，城市名，人名, 路名）
前不用冠词。
Beijing is a beautiful city.
3、节日、日期、月份、季节、科目前。
Teachers' Day, March 8, in July/autumn,History
4、名词前有“this , that , those, these , my ,
your ,some，Tom’s ”等词修饰时不用冠词。
This is my book.
5、一些固定短语中。
by plane, go to school, after school, at night,
at work, in time, in front of , on foot, in bed
1. Are you going to play ____basketball after school.
2. We must be kind to _____ old.

3. _____ moon goes around _____ earth.

4. Who is ____ first one to come here?

5. She goes to school by ____ bike, but yesterday, she went here in ____ car.

6. It’s ____ useful book. He is ____ unhappy boy.

7. ______ Smiths are having supper at home now.
the
The
a
the
an
/
the
a
The
/
on
in
behind
under
above
next to
below
inside
outside
over
↖
↖
beside
on the left
on the right
in front of
↘
Can you fill in the blanks with these prepositions of place?
1. There is a face _____ the desk.
2. The moon is ______ the desk.
3. The sun is ______ the desk.
4. I can see a star ______ the desk.
5. There is a tree ____ the desk.
desk
over
above
under
below
on
Sum up

1 sum up the usage of a; an; the
2 Sum up the usage of these prepositions
of place: above/below ;over/under; behind;next to; in; on; inside; outside; on the left ; on the right; in front of;
Thank you!