Unit 6 Food and lifestyle Grammar同步课件 （24张PPT）

Unit 6 Food and lifestyle
Grammar
课程导入
Free talk
What is your favorite food?
hamburger
beef
watermelon
lemon
juice
milk
Countable noun(可数名词)
Uncountable noun(不可数名词)
语法聚焦
Countable noun:
A countable noun refers to something we can count.
Uncountable noun:
An uncountable noun refers to something we cannot count.
Countable noun
an apple
three apples
a pen
four pens
a dog
four dogs
Singular form
It refers to one person or thing
Plural form
It refers to more than one person or thing.
当单数可数名词以元音音素(vowel sound) 发音开头时，使用an来引导；如：
an apple an hour an umbrella
['?p(?)l] ['a??] [?m'brel?]
以辅音音素(consonant sound)发音开头的单数可数名词，用a来引导。如：
a lemon a university a book
['lem?n] [ju?n?'v??s?t?] [b?k]
singular
singular
选择“a”或“an” 填空。
___ hamburger ____ hour
___ lemon ____ umbrella
___ orange ____ university
a
an
an
a
a
an
singular plural
most countable nouns
directly add -s
day — days
book — books
house — houses
banana — bananas
Singular plural
Rule 1
nouns ending in a consonant + y
-y i, + es
city — cities
body — bodies
story — stories
hobby — hobbies
singular plural
Rule 2
nouns ending in s, sh, ch or x
directly add -es
bus — buses
glass — glasses
dish — dishes
wish — wishes
watch — watches
match — matches
box — boxes
fox — foxes
singular plural
Rule 3
nouns ending in o
Noun ends with letter “o” and refers to something has no life, then add -s
Noun ends with letter “o” and refers to something has life, then add -es
hero — heroes
potato — potatoes
mango — mangoes
tomato — tomatoes
singular plural
add -s or -es
zoo — zoos
photo — photos
piano — pianos
video — videos
Rule 4
nouns ending in f or fe
f / fe v, + es
life — lives
wife — wives
leaf — leaves
shelf — shelves
singular plural
Rule 5
man — men
woman — women
Some other nouns
foot — feet
tooth — teeth
Some other nouns
child — children
mouse — mice
Some other nouns
deer — deer
sheep — sheep
Chinese — Chinese
cat —
sofa —
class —
peach —
family —
tax —
half —
radio —
brush —
potato —
cats
sofas
classes
peaches
families
taxes
halves
radios
brushes
potatoes
巩固练习
singular plural
most countable nouns
directly add -s
singular plural
nouns ending in a consonant + y
-y i, + es
singular plural
nouns ending in s, sh, ch or x
directly add -es
总结归纳
singular plural
nouns ending in o
add -s or -es
singular plural
nouns ending in f or fe
f / fe v, + es
Some other countable nouns do not follow the changing rules.
课后作业
记忆可数名词单数变为复数的变化规则和典型例词，以及常用的可数名词单数变为复数的不规则变化。
Homework
配套课时作业
GOOD JOB