名词变复数教案

课程名称：七上预科名词

教学内容：名词单数变复数

教学对象：七年级新生

教学目标：掌握名词变复数的规则用法教学重难点：加-es变复数的名词

Teaching Steps Step 1: Leading-in

Step 2: Warming-up

It’s an apple.

They are two apples.

It’s a pen.

They are pens.

Step 3: Teaching and Drills

规则变化：

1.一般情况下,直接在名词词尾加-s.

例：

可数名词

单数

规则变化

不规则变化

如 何 变

化？

car - cars book - books bag - name - card - 练习一：

2.以s,x,sh,ch 结尾的名词,在词尾加-es.

例： class - box - bus - brush - watch -

dog ------ duck ----- chair -----

table ---- band ----- window - banana - tree ------

fox -

dish -

练习二：

glass---

box------

brush---

match--

class----

bus-----

watch--

综合练习：

glass--

desk----

school-

box-----

brush--

hen-----

match-

class--

bus----

eye----

watch-

3.以辅音字母加y 结尾的名词，变y 为i 加-es.

例： family - comedy - party - baby -

练习：

综合练习：

city --------- day ---------- boy ---------- family ------- key ---------- strawberry - baby --------

story -------- strawberry key --------- glass ------ bus -------- boy -------- eye -------- watch ----- city --------

box ---- baby ---- family --- brush ---- match --- class ---- desk ---- hen ---- day ----

4.以f 或 fe 结尾的名词，先将f 或 fe 变为v,再加-es.

例： knife - half - wife - leaf - roof -

练习：

5.以o 结尾的名词,表示无生命事物的名词加-s, 表示有生命事物的名词加-es 。

例： potato - tomato -

wife ---- knife --- wolf ---- thief ---- shelf --- self ---- life -----

half ----

leaf ----

hero -

negro -

photo -

piano -

巧记：

黑人英雄爱吃番茄土豆。

练习:

piano----

zoo--------

potato--

photo----

tomato-

radio------

典例分析：

1.These are my English _____.

A.book

B. books

C. bookes

2.The two _____ are my ______.

A.boys; cousin

B. boys; cousins

C. boy; cousin

D. boies; cousin

3.- Who are the man and the woman in the picture?

- They are my ______.

A.parent

B. parents

C. parentes

4.Tom and Mike are good _____.

A.friend

B. friends

C. friendes

5.There are many ______ in our city.

A.bus

B. buses

C. buss

6.I have two _____. they are on the desk.

A.watches

B. watchs

C. watch

7.I have some _____ of my family.

A.photos

B. photoes

C. photo

8.Do you like these ______.

A.dictionary

B. dictionaries

C. dictionarys

D. dictionryes

9.I like _____ and _____.

A.tomatos and potatos

B. tomatoes and potatoes

C. tomato and potato

10.There are many _____ on the tree.

A.leaf

B. leaves

C. leafes

D. leafs

牛刀小试：

单项选择：

1.There are many ____ in our school.

A.student

B. students

C. studentes

2.Are there some _____ in your room?

A.box

B. boxes

C. boxs

3.There are 20 ____ in our class.

A.boys

B. boy

C. boies

4.- Would you like some apples?

- No, thanks. I’d like some ____.

A.tomatos

B. tomatoes

C. tomato

5.The two ______ jumped up and down in the trees.

A.monkey

B. monkeys

C. monkeyes

6.There are many ______in America.

A.church

B. churches

C. churchs

7.There are over 200 _____ in the world.