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Unit 9 Do you like bananas
Section
第 2 课 时
(Grammar Focus—3c)
…………………………………
A
学习本课时句型:
Do you like salad Yes, I do. /No, I don’t.
Does she like tomatoes Yes, she does./ No, she doesn’t.
He likes ice-cream./ We like rice.
掌握第三人称单数的用法。
能够正确区分可数名词和不可数名词。
1
2
Learning Aims
3
Warming-up
看图，运用上节课所学句型与同伴进行对话。
Grammar Focus
在英语中，谓语动词的人称和数必须与主语保持一致。在一般现在时中，主语为第三人称单数时，谓语动词要加
-s或-es,含有实义动词的一般现在时的疑问句、否定句中要借助助动词do或does。例句：
She likes oranges./ He likes hamburgers.
She doesn’t like oranges.
—Does she like oranges —Yes, she does./ No, she doesn’t.
语法精讲
一、第三人称单数的用法
当主语是第三人称单数时，谓语动词有下列几种变化形式：
单项选择
1. —Does he like apples
—Yes, ____.
A. he does B. he do
C. he don’t D. he doesn’t
2. I don’t like hamburgers, but my sister ____.
A. like B. do C. doesn’t D. does
Exercises
A
D
3. Jack ____ strawberries.
A. like B. likes
C. have D. eat
4. The boy likes eggs, but he ____ rice.
A. doesn’t likes B. don’t like
C. likes D. doesn’t like
B
D
语法精讲
二、可数名词和不可数名词
（一）可数名词
（1）定义：是可以计数的名词。
（2）可数名词前可以用 a , an 限定,表一个。
（3）可数名词前可以用 one, two, three …等限定。
（4）可数名词有复数形式。
名词按其所表示的事物的性质分为可数名词和不可数名词。有一些词既可以充当可数名词，也可以充当不可数名词。
类别 构成方法 读音 例词
一般情况下
可数名词变复数的方法 1
加-s
1. -s在清辅音后读[s]
2. -s在浊辅音后读[z]
3. -s在元音后读[z]
4. 以音素[ s ], [ z ] ]结尾的，读[ z]
desks
apples
trees
oranges
以-s, -x, -sh, -ch 结尾的
加-es
-es读[ z]
boxes
watches
以-f 或 -fe 结尾的
改f或fe为v 再加-es
-ves读[vz]
knives
wives
可数名词变复数的方法 2
类别 构成方法 读音 例词
以-o结尾的
改y为i 再加-es
-ies读[ z]
families
dictionaries
以元音字母
加y结尾的
加-s
-s读[z]
boys
keys
有生命的事物加-es
-es读[z]
tomatoes
potatoes
以辅音字母加y结尾的
无生命的事物加-s
-s读[z]
photos
radios
tomatoes
bananas
eggs
hamburgers
oranges
strawberries
可数名词
（二）不可数名词
（1）定义：是指表示不能计数的事物的名词。
（2）不可数名词前不可以用 a , an 限定。
（3）不可数名词前不可以用 one, two , three… 限定。
（4）不可数名词没有复数形式。
（5）不可数名词可用some, any或“数词+表示容量等的名词+of
+不可数名词”结构修饰，如：a cup of milk 一杯牛奶 some milk
语法精讲
二、可数名词和不可数名词
不可数名词
rice
bread
water
milk
语法精讲
二、可数名词和不可数名词
（三）既可数又不可数的名词
定义：在某些情况下能计数，在某些情况下不能计数的名词。
例如：food、fruit、ice-cream、salad、chicken（当“鸡”讲时可数，当“鸡肉”讲时不可数）
可数名词 不可数名词 既可数也不可数名词
帮助下列单词找到它们的位置吧！
vegetable、fruit、milk、hamburger、rice、chicken、apple、egg、banana、ice-cream、bread、salad
vegetable
hamburger
apple
egg
banana
milk
rice
bread
fruit
chicken
ice-cream
salad
3a
1. I like fruit, but I (don’t / doesn’t) like vegetables.
2. She (like / likes) bread, but she (doesn’t / don’t) like salad.
3. He (like / likes) bananas, but he (don’t / doesn’t) like oranges.
4. We (likes / like) hamburgers, but we don’t (like / likes) chicken.
5. They (likes / like) pears, but they (don’t / doesn’t) like strawberries.
Underline the correct words in the brackets.
3b
So, let’s get salad.
Yes, I do.
Do you like salad
OK.
3
2
1
4
Number these sentences [1-4] to make a conversation.
A: Do you like...
B: Yes, I do.
A: So, let’s get...
B: OK.
Practice the conversation above and make your own conversations.
Pair work
3c
Ask your classmates about the food in the chart. Find out what they like and don’t like.
food person
Have a conversation.
—Does she/ he like …
—Yes, she/ he does. / No, she/ he doesn’t.
I. 用所给单词的适当形式填空。
1. I like _________ (tomato) very much.
2. Nick _____ (like) hamburgers and salad.
3. Let’s ______ (think) about the birthday dinner.
4. Ms Smith has ten ____________ (strawberry).
tomatoes
likes
think
strawberries
Exercises
5. Burgers That ________ (sound) good.
6. My brother ____________ (not like) eggs.
7. His cousins __________ (not like) ice-cream.
8. ______ (do) she like tomatoes
sounds
doesn’t like
don’t like
Does
1. We have some fruit after dinner. (改为由let开头的祈使句)
________ ________ some fruit after dinner.
2. Paul likes milk. He doesn’t like bread. (合并为一句)
Paul likes milk, ________ he doesn’t like bread.
Let’s have
but
II.按要求改写句子。
3. My best friend likes grapes. (改为否定句)
_____________________________________
4. Uncle Tom likes strawberries. Uncle Tom likes oranges, too.
(合并为一句)
___________________________________________
My best friend doesn't like grapes.
Uncle Tom likes strawberries and oranges.
1. Make a conversation to talk about your likes and dislikes.
2. Finish the exercises in the workbook.
3. Preview the new words and phrases.
Homework

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