Recycle Mike’s happy days 课件（共18张PPT）

课件18张PPT。名词变复数A book
This is a book.
This is a chinese book.
These are some books.
What’s this?What are these?It’s a book.They are books.What’s this in English?It’s an apple.What are these?They are two apples.--What are these?--What’s this?--It’s a pen.--They are pens.--What are those?--What’s that?--It’s an English book.--They are English books.bagswatchesorangespens--What’re these ?
--They’re … .mapscaseskeys--What’re those ?
--They’re … .This __________________.These __________________.is a treeare two treesare some trees名词变复数1．一般在名词后面加上“s”:
book→books， bag→bags
2．以s, x, sh, ch，等结尾的词加“es”:
bus→buses， watch→watches
3．以辅音字母＋y结尾的词，变y为i加es，
baby→babies
以元音字母＋ y结尾的名词变复数时，直接加s变复数，boy →boys以o 结尾的名词变复数(a）加s的名词
photo→photos ，piano→pianos， radio→radios， zoo→zoos
(b）水果、蔬菜、人这样的单词加es
potato→potatoes(土豆)
tomato→tomatoes（西红柿）
mango---mangoes (芒果)
Negro---negroes(黑人） hero---heroes（英雄）黑人英雄喜欢吃土豆、西红柿和芒果。（简称两人两菜）以f或fe结尾的名词变复数 去掉f， fe 加ves
half（一半）→halves knife（小刀）→knives leaf（树叶）→leaves wolf（狼）→wolves
wife（妻子）→wives life（生活）→lives
thief（小偷）→thieves “小偷”(thief)的“妻子”(wife)用“刀子”(knife)和
“树叶”(leaf)把“狼”(wolf)劈成两“半”(half)。(二) 不规则变化
男人女人 a 变 e，鹅足牙 oo 变 ee；
man-men; woman-women; goose
geese; foot-feet; tooth-teeth
老鼠虱子也好记，ous 变 ic；
mouse-mice; louse-lice
孩子加上 ren，鱼鹿绵羊不用变
child-children; fish; deer; sheep
this---these(这些)? ??
that --? ?those(那些)将下列名词变复数（练习）1、orange 2、bus 3、book _____
4、box 5、piano 　6、child _____
7、leaf 8、bed 9、country _____
10、balcony 11、boy 12、foot _____
13、potato 14、photo 15、man _____
16、baby 17、tomato 18、watch _____
19、woman 20、knife 22、sheep_____ balconiesboysfeetpotatoesphotosmenbabiestomatoeswatcheswomenknivessheepbooksboxeschildrenpianosleavesbedsbusesoranges
countries给下列可数名词加复数．
bird-- card-- lady--
orange-- ruler-- photo--
friend-- boy-- watch--
girl-- case-- cat--
wife-- tree-- key--
bed-- hero-- family-
dictionary-- question--
leaf-- party-- cup--
birdsladiesorangesrulerscatsboysgirlscaseswiveswatchestreeskeysquestionsbedsheroesfriendsfamiliesdictionariesphotoscardsleavespartiescupsthis –
that –
I –
you –
he / she / it –
am / is – thesethoseweyoutheyare 单数 复数There are so many________(leaf) on
the trees.
2. It has two ______(study) in the rooms.
3. These _______(tomato) are red.
4. There is some _____ (water) in the glass.
5. My brother looks after two ______(baby)练习leavesstudiestomatoeswaterbabies句子单数变复数
This is a book.
That is an eraser.
It is a red apple.
I am a boy.
He / She is a teacher.
What’s this ? These are books.
Those are erasers.
They are red apples.
We are boys.
They are teachers.
What’re these ?复数句子变单数句子
These are dictionaries.
单数
一般疑问句,并作肯定回答
划线提问 This is a dictionary.Are these dictionaries ?
Yes, they are.What are these ?Sum up:1.一般情况下,直接在名词词尾加-s.2.以s,x,sh,ch结尾的名词,在词尾加-es.
3.以辅音字母加y结尾的名词，要变y为i再加-es. 5.以f或 fe结尾的名词，先将f或 fe变为v,再加-es.6.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。4.以“元音字母+y”结尾的名词，直接在词尾加-s .