内容正文:
Unit 3 In my schoolbag
单元复习
人教大同版·三年级上册
Sounds
Words & phrases
Sentences
01
04
03
02
05
Practice
Tips
Contents
01
Sounds
Let's read
掌握字母Ii - Ll 的正确发音及书写(大小写),具体发音如下:
—Ii /aɪ/(例:ink /ɪŋk/,注意字母“i”在“ink”中发/ɪ/音)
—Jj /dʒeɪ/(例:juice /dʒuːs/,注意字母“j”在“juice”中发/ɪ/音)
—Kk /keɪ/(例:kite/kaɪt/,注意字母“k”在“kite”中发/ɪ/音)
—Ll /el/(例:lion/ˈlaɪən/,注意字母“l”在“lion”中发/ɪ/音)
字母 Ii, Jj, Kk, Ll 的书写
字母 Ii Jj Kk Ll
本身音 /aɪ/ /dʒeɪ/ /keɪ/ /el/
自然发音 /ɪ/ /dʒ/ /k/ /l/
字母 Ii, Jj, Kk, Ll 的读音
语调规则:
—陈述句用降调,如“It is a pencil.”(句末语气下降,表肯定)。
—特殊疑问句(询问数量)用降调,
如“How many erasers are there?”(句末语气下降,表提问)
Let's read
判断下列字母大小写是否对应,对的打 “√”,错的打 “×”
I——i( )
j——K( )
J——j( )
l—— I( )
L——l( )
×
√
×
√
√
选择练习
下列哪个是字母 K 的小写形式( )
A. i B. k C.l D. j
下列哪个是字母 l 的大写形式( )
A. j B. k C. i D. L
字母 I 的小写形式是( )
A. i B. l C. k D. j
B
D
A
02
Words & phrases
Words
文具
book书 schoolbag 书包 pencil 铅笔 pencilcase 铅笔盒
ruler 尺子 pen 钢笔 notebook 笔记本 eraser 橡皮
The Four Treasures of the Study(文房四宝)
paper 纸 ink-stick 墨条 ink-stone 砚台 brush 毛笔
Let’s play—Magic fingers
pen
pencil case
pencil
12
schoolbag
pencil
ruler
Which is missing?
pen
notebook
eraser
book
13
03
Sentences
Sentences
1. 介绍单个物品的句型
句型结构:It is a/an + 单数物品.(“a”用于辅音音素开头的单词前,“an”用于元音音素开头的单词前)
例:It is a pen.它是一支钢笔。
It is an eraser.它是一块橡皮。
Sentences
2.表达“拥有”物品的句型
第一人称结构:I have + 数量 + 物品(单/复数).
例:I have a schoolbag.我有一个书包。
I have two pencils.我有两支铅笔。
第三人称结构:He/She has + 数量 + 物品(单/复数).
例:She has a pencil case.她有一个铅笔盒。
He has three notebooks.他有三本笔记本。
Sentences
3.介绍多个物品的句型
句型结构:They are + 复数物品.
例:They are books. 它们是书。
They are rulers. 它们是直尺。
She is my sister.她是我的姐姐。
Sentences
4.询问物品数量的句型
句型结构:How many + 复数物品 + are there?
例:How many pens are there?有多少支钢笔?
04
Tips
名词单复数
—I have three pencils. 我有三支铅笔。
—It is a pencil. 它是一支铅笔。
规则:大部分可数名词变复数时,在词尾加“s”。 ★★★
例:pencil→pencils(铅笔)、book→books(书)、
eraser→erasers(橡皮)、notebook→notebooks(笔记本)
—注意:本单元暂不涉及不规则复数变化,重点掌握规则变化。
知识点一:
规则条件 变化方式 示例
1. 大部分普通名词 直接加 -s book → books, pen → pens
2. 以 s, x, ch, sh 结尾 加 -es bus → buses, box → boxes, watch → watches, dish → dishes
3. 以 辅音字母 + y 结尾 变 y 为 i 加 -es city → cities, family → families
4. 以 元音字母 + y 结尾 直接加 -s boy → boys, key → keys
5. 以 f/fe 结尾(多数情况) 变 f/fe 为 v 加 -es leaf → leaves, knife → knives
6. 以 o 结尾(有生命) 加 -es tomato → tomatoes, potato → potatoes
7. 以 o 结尾(无生命) 加 -s photo → photos, piano → pianos
用所给单词的适当形式填空。
1.I have two ______ (pencil) in my pencil case.
2.It is a ______ (book). It is new.
3.They are ______ (ruler/rulers).
4.This is one ______ (eraser/erasers).
5.There are many ________(box)in the classroom.
pencils
book
rulers
eraser
boxes
选择正确的单词填空:
1.They are __________ (ruler/rulers).
2. This is one _____________ (eraser/erasers).
3. My mom buys two _____________ (pen/pens) for me.
4. The girl has a _____________ (schoolbag/schoolbags).
5.Those are four _____________ (pencil case/pencil cases).
rulers
eraser
pens
schoolbags
pencil cases
have/has的用法
—He has an eraser. 他有一块橡皮。
—I have a schoolbag. 我有一个书包。
“have” 是英语中常用的动词,意思是“拥有”或“存在”。
其用法和含义需结合具体语境分析:
知识点二:
语法结构解析
①主语是第一人称(I)、第二人称(you)或复数(we/they)时,用“have”。
例:I have a ruler.(我有一把直尺。);
They have two pencil cases.(他们有两个铅笔盒。)
②主语是第三人称单数(he/she/it)时,用“has”。
例:He has a pen.(他有一支钢笔。);
It has a big schoolbag.(它有一个大书包。)
知识点二:
注:作为助动词:与过去分词连用构成现在完成时,
例: I have finished my homework.(我已经完成作业了)。
常见短语
1.have to:表示“不得不”,如 I have to go now.(我现在得走了)。
2.have got:口语中表示“得到”,如 I have got your message.
(我已收到你的消息)。
知识点二:
特殊用法
have sb/sth + 介词短语:表示“使某人/某物处于某种状态”,如
She has the book on the table.(她把书放在桌子上了)。
have sth to do:表示“有责任或义务做某事”,如
We have to finish the project today.(我们今天必须完成项目)。
知识点二:
选择“have”或“has”填空。
1.She ______ a notebook.(have/has)
2.I ______ a pen.(have/has)
3.They ______ two schoolbags.(have/has)
4.He ______ a ruler in his hand.(have/has)
5.You ______ a nice pencil case.(have/has)
has
have
have
has
have
询问物品数量的句型“How many”的用法
— How many erasers are there? 有多少块橡皮? —Two. 两块。
这是英语中介绍他人的标准句型(包括家人、朋友、老师等)。
句型结构:How many + 复数物品 + are there?”意思是:有多少....?
这个句型是在表达物品的数量有多少的时候使用,其中涉及名词的单复数,以及根据实际数量回答问题。
需注意“How many”后必须接可数名词复数,回答时需明确数量(如“Three.”“Two.”)。
知识点三:
根据答语补全问句。
1.______ ______ pencils are there?(根据答语“Four.”补全)
2.______ ______ books do you have?(根据答语“Two.”补全)
3.______ ______ erasers are on the desk?(根据答语“Five.”补全)
4. ______ ______ rulers does she have?(根据答语“One.”补全)
5.______ ______ notebooks are in the schoolbag?(根据答语“Three.”补全)
How many
How many
How many
How many
How many
介绍某个物品的句型: “It’s a/an....../They are.......”
—It is a schoolbag. 它是一个书包。
—They are pens. 他们是钢笔
描述单个物品:“It is a/an + 单数物品”
例如:It’s a schoolbag./It’s an eraser.
描述很多的物品:“They are + 复数物品(名词复数)”
例如:They are three pencils./They are my books.
知识点三:
根据汉语提示补全句子。
1.(一支钢笔)It is ______ ______.
2.(三块橡皮)They are ______ ______.
3.(一个书包)It is ______ ______.
4.(四支铅笔)They are ______ ______.
5. (一把直尺)It is ______ ______.
a pen
three erasers
a schoolbag
four pencils
a ruler
05
Practice
选出不同类的一项
( ) 1. A. school bag B. desk C. book
( ) 2. A. pencil B. chair C. eraser
( ) 3. A. ruler B. window C. pen
( ) 4. A. book B. floor C. pencil
B
B
B
B
单项选择
( )1.I have_______English book.
A.a B. the C. an
( )2.They have _______new classroom.
A.an B. a C. /
C
B
( )3. _______is your schoolbag? It’s yellow.
A.What B. What colour C.Where
( )4.--What colour is your book? --_______.
A.It’s in the desk. B. It’s a book C. It’s blue
( )5.What colour is your cat? It is black_______white.
A.or B. a C. and
B
C
C
判断句子正(√)误(×):
1.It is a pencils.( )
2. They are a book.( )
3.It is an eraser.( )
4. They are rulers.( )
5. It is a pencil case.( )
√
×
√
×
√
句型转换
1.把单数句改为复数句:It is a pencil. → ______ ______ ______.
2.把复数句改为单数句:They are rulers. → ______ ______ ______ ______.
3.用 “He” 改写句子:I have a schoolbag. → ______ ______ a schoolbag.
4.用 “She” 改写句子:He has two notebooks. → ______ ______ two notebooks.
5.补全问句(询问数量):______ ______ pens ______ ______?(有多少支钢笔?)
They’re pencils
It is a ruler
He has
She has
How many
are there
问答匹配
1. What is this? A. They are erasers.
2. How many books are there? B. It is a pencil case.
3. What are these? C. She has three rulers.
4. What does she have? D. There are five books.
Thank you!
人教大同版·三年级上册
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