(共24张PPT)
名词 and There be句型
名词
Nouns
行业PPT模板http:///hangye/
Review: What’s the Nouns
名词是表示人或事物名称的词。英语中的名词按其表示的事物性质的不同可分为可数名词与不可数名词。
可数名词是可以用来计数的名词。可数名词有单数和复数形式。
名词复数的变化规则
(1)一般情况下, 直接在单词后面加S。
book--
day--
hand---
place---
orange----
books
days
hands
places
oranges
(2)以s,x,ch,sh结尾的词加-es
bus----
box----
watch-
buses
boxes
watches
(3)以辅音字母加y 结尾的词,将y变为i再加-es
baby-
family-
babies
families
(4)部分以f(e)结尾的词,将f(e)变为v再加-es
leaf--
knife--
life--
leaves
lives
knives
行业PPT模板http:///hangye/
(5)以0结尾的词加S/es
ZOO--
photo--
potato--
hero--
zoos
photos
potatoes
heroes
不可数名词(Uncountable Nouns)
(1)不可数名词一般没有复数形式,不能与冠词a(an)或表示具体数量的词直接连用。但是可以跟像some、any这样的词或像a little这样的短语连用。如:
much/some/any water 许多/一些水
a little/a glass of milk 一点儿/一玻璃杯牛奶
(2)一般现在时态,句中不可数名词做主语时为第三人称单数,谓语动词用第三人称单数形式。
如:
The milk is in the glass. 牛奶在玻璃杯里。
1.( )I like a for dessert. Fruit, you know,is good for health.
A. potato B. banana
C. bread D. burger
2.( )-What can I do for you
-I want
A.two glasses of oranges
B.two glass of oranges
C.two glasses of orange
D.two glass of orange
3.( )-What do you have for breakfast
-I often have and
A. breads;eggs B. bread;egg
C. breads;egg D. bread;eggs
4.( )I like ,and my brother likes 。
A. tomato; chicken B. tomatoes; chickens
C. tomatoes; chicken D. tomatos; chicken
5.( )-May I have something to drink
-OK. Here's some
A. rice B. bread
C. water D. waters
There be句型
一、There be句型的含义
1,There be句型表示“某地(或某时)存在某人(或某物)”,其基本结构为“There be+代词或名词(短语)+地点/时间状语”。
Eg: There is a bird in the tree. 树上有一只鸟。
2.There是引导词,没有词义,be是谓语动词,后面的名词(短语)或代词作主语。
Eg: There are two men in the office.
办公室里有两名男士。(two men作主语)
二、There be句型的变化
There be 句型的一般现在时变化主要是谓语动词be的变化,其肯定形式、否定形式的用法如下表:
肯定形式
否定形式
There is...(单数或不可数名词主语)
There is not...(单数或不可数名词主语)
There are...(复数名词或代词主语)
There are not...(复数名词或代词主语)
疑问形式 简略答语
肯定形式 否定形式
Is there...?(单 数或不可数名词主语) Yes,there is. No,there isn't.
Are there...?(复数名词或代词主语) Yes,there are. No,there aren't.
There be句型疑问形式及简略答语如下表:
说明:There is=There's
注意:
1.当主语是两个或两个以上的名词时,谓语动词的数要与离它最近的名词的数一致(就近原则)。
(1) There a girl and two boys under the tree.
树下有一个女孩和两个男孩。
(2) There two boys and a girl under the tree.
树下有两个男孩和一个女孩。
is
are
2.“There be+sb.doing sth.+地点/时间状语”意为“有某人在某地/时正做某事”。
(1)There are several children (swim)in the river.
河里有几个孩子在游泳。
(2)Look! There is a dog (run) after a cat in the garden.
看!花园里有一条狗在追一只猫。
3.There与be中间可插入一些表示推测的情态动词,以强调某种语气。
There must be some flowers in the box.
盒子里肯定有些鲜花。
三、There be句型与have的比较
1.There be句型和have都表示“有”。但there be 句型表“存在”,意为“某时或某处存在某人或某物”;have表所属关系,意为“某人拥有某人或某物”。
There are many kinds of trees. 有很多种树。
He has two sons. 他有两个儿子。
2.当表示“包括或整体与部分的关系”时,there be句型可与have互换。
A week has seven days. (There are seven days in a week.)
一个星期有七天。
1.( )There some beautiful flowers on the teacher's desk now.
A.is B.was
C.are D.were
2.( )There a big tree behind the shop.You can see many birds in it.
A.is B.are
C.was D.were
3.( )Look! There some information about traffic safety in this book.
A.is B.are
C.was D.were
4.( )There only one earth but billions of(数十亿 ) people in the world, so we should protect the earth.
A.have B.is
C.are D.be
5.( )-There will be tomorrow. We can't eat out.
-Well, we have to stay at home.
A.rainy B.rain
C.raining D.to rain
Bye bye!