内容正文:
译林版四年级下册 Unit 1 We're friends知识点全解
一、单词 (16个)
单词
中文意思
记忆小窍门
become
变成
be + come = 变成
weak
虚弱的
we + ak(AK) → 我们(we)是AK?
strong
强壮的
与strong(力量)相关
there
有
与here(这里)对比记忆
them
它们/他们/她们
they的宾格形式
party
聚会
谐音“派对”
just
就像
just now(刚才)
friendship
友谊
friend + ship = 友谊之船
forest
森林
for + rest(休息) → 去森林休息
thin
瘦的
反义词:fat(胖的)
hole
洞
谐音“吼”→ 洞里传出吼声
angry
生气的
谐音:an(俺)+ gry(哥瑞)
联想:“俺哥瑞现在很生气!”
谐音:an(俺)+ gry(哥瑞)
·
谐音:an(俺)+ gry(哥瑞)
·
·
谐音:an(俺)+ gry(哥瑞)
·
·
联想:“俺哥瑞现在很生气!”
谐音:an(俺)+ gry(哥瑞)
·
·
联想:“俺哥瑞现在很生气!”
·
back
背部
背包(backpack)背在背上
net
网
网球(tennis)用网
sad
难过的
反义词:happy(开心的)
kind
友好的/体贴的
谐音“开(可)爱的”→ 友好的
二、词组 (26个)
(一)核心词组
1. become good friends — 成为好朋友
例句:The lion and the mouse become good friends. (狮子和老鼠成了好朋友。)
2. get together — 聚会;相聚
例句:My family gets together at Spring Festival. (我家人在春节相聚。)
3. so many carrots — 如此多的胡萝卜
例句:There are so many carrots in the garden. (花园里有这么多胡萝卜。)
4. share...with... — 与……分享……
例句:I want to share my snacks with you. (我想和你分享我的零食。)
5. be from / come from — 来自
例句:I am from China. = I come from China. (我来自中国。)
6. thank you for — 为……感谢你
例句:Thank you for the carrots, Ruby. (谢谢你的胡萝卜,鲁比。)
7. have a fruit party — 举办水果派对
例句:Let's have a fruit party this weekend. (这个周末我们举办水果派对吧。)
8. so sweet — 如此甜
例句:Like our friendship! So sweet! (就像我们的友谊一样甜!)
9. just like — 就像
例句:Just like our friendship! (就像我们的友谊一样!)
10. our friendship — 我们的友谊
例句:Our friendship will last forever. (我们的友谊会天长地久。)
11. get from — 从……得到……
例句:I get carrots from Ruby. (我从鲁比那里得到胡萝卜。)
12. don't know how to ride — 不知道怎么骑
例句:I don't know how to ride a bike. (我不知道怎么骑自行车。)
13. come to help — 来帮忙
例句:My friends come to help me. (我的朋友们来帮我。)
14. side by side — 肩并肩
例句:We walk side by side. (我们肩并肩走着。)
(二)课文重点词组
15. in the forest — 在森林里
例句:There are many animals in the forest. (森林里有许多动物。)
16. big and strong — 又大又强壮
例句:The lion is big and strong. (狮子又大又强壮。)
17. small and thin — 又小又瘦
例句:The mouse is small and thin. (老鼠又小又瘦。)
18. one day — 有一天
例句:One day, the mouse helps the lion. (有一天,老鼠帮助了狮子。)
19. on my back — 在我的背上
例句:Why are you on my back? (你为什么在我背上?)
20. help you — 帮助你
例句:I can help you one day. (总有一天我能帮你。)
21. so weak — 如此虚弱
例句:The mouse is so weak. (老鼠如此虚弱。)
22. go away — 走开
例句:Go away, little mouse! (走开,小老鼠!)
23. in the net — 在网里
例句:The lion is in the net. (狮子被困在网里。)
24. make a hole — 挖一个洞
例句:The mouse makes a hole in the net. (老鼠在网里挖了一个洞。)
25. so kind — 如此善良
例句:The mouse is so kind. (老鼠如此善良。)
26. share the food and the happiness together — 一起分享食物,共享快乐
例句:We share the food and the happiness together. (我们一起分享食物,共享快乐。)
三、句子 (15个)
(一)重点句型
1. We become good friends! — 我们成为好朋友啦!
解析:become + 名词短语,表示“成为……”。
2. There are so many carrots. — 这里有好多胡萝卜。
解析:There be句型,表示“某地有某物”。
3. I want to share them with my friends. — 我想和我的朋友们分享它们。
解析:want to do sth. = would like to do sth. (想要做某事)
4. Thank you for the carrots, Ruby. — 谢谢你的胡萝卜,鲁比。
解析:Thank you for + 名词/代词/动名词
5. We want to share our fruit with you. — 我们想把我们的水果分享给你。
解析:share sth. with sb. (和某人分享某物)
6. Like our friendship! — 就像我们的友谊一样甜!
解析:like作介词,表示“像……一样”。
7. There are many animals in the forest. — 森林里有许多动物。
解析:There be句型,animals是复数,用are。
8. The lion is big and strong. — 狮子又大又强壮。
解析:形容词描述,and连接两个形容词。
9. The mouse is small and thin. — 老鼠又小又瘦弱。
解析:形容词描述,small和thin都是形容老鼠的特征。
10. Why are you on my back, little mouse? — 小老鼠,你为什么在我背上?
解析:why引导特殊疑问句,询问原因。
11. How can you help me? — 你怎么帮我?
解析:how引导特殊疑问句,询问方式。
12. The lion is in the net. — 狮子被困在网里。
解析:in the net (在网里)
13. There is a big hole in the net. — 网上出现了一个大洞。
解析:There be句型,hole是单数,用is。
14. The lion and the mouse become good friends. — 狮子和老鼠成了好朋友。
解析:become + 名词短语
15. We share the food and the happiness together. — 我们一起分享食物,共享快乐。
解析:share...together (一起分享……)
四、语音 /ai/
发音规则
字母 i 在开音节中发 /ai/ 音
例词
单词
发音
意思
like
/laɪk/
喜欢
kite
/kaɪt/
风筝
bike
/baɪk/
自行车
five
/faɪv/
五
time
/taɪm/
时间
nice
/naɪs/
好的
rice
/raɪs/
米饭
white
/waɪt/
白色的
五、语法详解
1. there be 句型
(1)基本用法
表示“某地存在某物/某人”,be动词的单复数由后面的名词决定,遵循“就近原则”。
结构
用法
例句
There is + 单数名词
单数名词用is
There is a book in the schoolbag.
There is + 不可数名词
不可数名词用is
There is some water in the glass.
There are + 复数名词
复数名词用are
There are some chairs in the classroom.
(2)就近原则
当句子中不止一种物品时,be动词的单复数由离它最近的物品决定。
There are some pictures and a telephone. (离be近的是pictures复数,用are)
There is a telephone and some pictures. (离be近的是telephone单数,用is)
(3)句型转换
① 否定句
在be动词后加not (is not = isn't, are not = aren't)
把some改成any
肯定句
否定句
There is a pencil in the box.
There isn't a pencil in the box.
There are some crayons on the desk.
There aren't any crayons on the desk.
② 一般疑问句
把be动词(is/are)提到句首,句末变问号
some变成any
肯定句
一般疑问句
回答
There is a book on the desk.
Is there a book on the desk?
Yes, there is. / No, there isn't.
There are some apples on the tree.
Are there any apples on the tree?
Yes, there are. / No, there aren't.
③ 特殊疑问句
提问内容
句型结构
例句
对名词提问
What's + 地点?
There are some books on the desk. → What's on the desk?
对数量提问
How many + 复数名词 + are there + 地点?
There are three books on the desk. → How many books are there on the desk?
(4)there be vs. have
区别
there be
have
含义
某地存在某物(客观存在)
某人拥有某物(所属关系)
主语
地点
人/物
例句
There is a book on the desk. (桌子上有一本书。)
I have a book. (我有一本书。)
2. 情态动词 can
(1)基本用法
can表示能力、请求或承诺,后接动词原形(can + do),无人称和数的变化。
用法
含义
例句
表能力
能够
I can help you one day. (我能帮你。)
表请求
可以
Can you help me? (你能帮我吗?)
表承诺
会
I can make a hole. (我会挖洞。)
(2)句型转换
① 否定句can + not = can't,动词保持原形
肯定句
否定句
They can finish the work.
They can't finish the work.
I can swim.
I can't swim.
② 一般疑问句
将can提到主语前
第一人称(I/we)改为第二人称(you)
肯定句
一般疑问句
回答
I can speak English.
Can you speak English?
Yes, I can. / No, I can't.
She can sing.
Can she sing?
Yes, she can. / No, she can't.
③ 特殊疑问句
特殊疑问词 + can + 主语 + 动词原形 + 其他?
肯定句
特殊疑问句
She can sing.
What can she do?
We can meet here.
Where can we meet?
3. 名词单复数
(1)规则变化
大多数名词变复数直接加 -s
单数
复数
意思
carrot
carrots
胡萝卜
tree
trees
树
friend
friends
朋友
animal
animals
动物
(2)特殊用法
fruit:表示“水果”时通常为不可数名词;表示“不同种类的水果”时可用复数 fruits
food:表示“食物”总称时通常为不可数名词(集合名词)
4. 介词的用法
(1)表来源:from 意思:来自……
短语:be from = come from (来自)
I am from China. = I come from China. (我来自中国。)
例句:They're from my friend Ruby. (它们来自我的朋友鲁比。)
(2)表方位:on / in
介词
用法
例句
on
在……上面
on my back (在我背上)
in
在……里面
in the net (在网里);in the forest (在森林里)
(3)表对象:with
用法:with + 代词宾格/名词,表示“和……一起”
短语:share...with... (和……分享……)
I share carrots with my friends. (我和朋友们分享胡萝卜。)
其他搭配:play with (和……玩)
go with (和……一起去)
5. like的用法
(1)like作动词:喜欢
用法
结构
例句
喜欢某物
like + 名词
She likes cats. (她喜欢猫。)
长期爱好
like + doing
My mom likes cooking. (我妈妈喜欢做饭。)
具体意愿
like + to do
I like to read before bed. (我喜欢睡前读书。)
(2)like作介词:像;如同
用法
结构
例句
be like
像……一样(性格/外貌)
What's your sister like? (你姐姐性格怎么样?)
look like
看起来像
She looks like her mother. (她长得像她妈妈。)
sound like
听起来像
It sounds like a good plan. (听起来是个好计划。)
课文例句: Just like our friendship! (就像我们的友谊一样!)
6. 其他语法知识点
(1)Thank you for... 谢谢你……
结构:Thank you for + 名词/代词(宾格)/动名词
类型
例句
+ 名词
Thank you for the lovely gift. (谢谢你可爱的礼物。)
+ 代词宾格
Thank you for it. (谢谢你。)
+ 动名词
Thank you for helping me. (谢谢你帮我。)
(2)want to do sth. = would like to do sth. 想要做某事
例句:I want to watch a movie. = I would like to watch a movie. (我想看电影。)
(3)how to do sth. 如何做某事
常见搭配:know how to do / learn how to do / show how to do
例句:I don't know how to use this phone. (我不知道怎么用这部手机。)
(4)come to do sth. 来做某事
例句:My cousin comes to visit us. (我的表妹来拜访我们。)
(5)help sb. do sth. 帮助某人做某事
例句:Lily helps her brother finish homework. (莉莉帮她弟弟完成作业。)
(6)be + 形容词 描述状态
be angry:生气
My mum is angry because I don't do my homework. (我妈妈生气因为我没有写作业。)
be kind to sb.:对某人友善
The teacher is kind to every student. (老师对每个学生都很友善。)
(7)become + 形容词 变得……
例句:The weather becomes cold. (天气变冷了。)
六、易错点提醒
易错点1:there be 与 have 混淆
❌ 误:I have a book on the desk.
✅ 正:There is a book on the desk. (强调存在)
✅ 正:I have a book. (强调拥有)
易错点2:there be 就近原则出错
❌ 误:There is two dogs and a cat.
✅ 正:There are two dogs and a cat. (离be近的是dogs复数)
易错点3:can后接动词忘记用原形
❌ 误:She can sings.
✅ 正:She can sing.
易错点4:like作介词时漏掉be动词
❌ 误:He like his father.
✅ 正:He is like his father. (他像他爸爸。)
易错点5:share with 介词用错
❌ 误:I share my toys to my friend.
✅ 正:I share my toys with my friend.
易错点6:Thank you for 后接动词忘记用-ing
❌ 误:Thank you for help me.
✅ 正:Thank you for helping me.
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