四年级下册知识梳理
UNIT 1
一.词型转换.
1.library（复数）libraries 2.first(基数词)one 缩写1st
3.our（主格）we 4.visitor（动词）visit
5.there（对应词）here 6.class（复数）classes
7.beautiful(同义词)nice 8.light(反义词) heavy
9.this （对应词）that 10.my（主格） I
11.your(主格) you 12.second(基数词) two
13.yes（反义词）no 14.it（复数）them
二．重点句子。 1. Where is the canteen∕art room? 餐厅∕绘画教室在哪里？
It’s on the first∕second floor. 它在一楼∕二楼。
2. How many students are there in your class? 你班里有多少个学生？
Forty-five. 45个。
3. Is this∕that a teacher’s desk? 这∕那是讲台吗？
Yes,it is. ∕No,it isn’t. 是的，它是。∕不，它不是。
4. Do you have lunch at school?
Yes, I have./ No, I haven’t.
5. GO to the garden. Water the flowers.
6. This way, please.
7. Let’s go and have a look.
UNIT 2
一． 词型转换.
1.now(同义词) at the moment 现在 2.kid(复数)kids
3.run(现在分词)running 4.one(序数词)first
5.two(序数词)second 6.three（序数词）third
7.four(序数词)fourth 8.five(序数词)fifth
9.six(序数词)sixth 10.seven（序数词）seventh
11.eight（序数词）eighth 12.nine（序数词）ninth
13.ten（序数词）tenth
二．重点句型：
1.What time is it?==What is the time？∕What’s the time? 几点了?
It’s +时间。是………点钟。
2.It’s time to +动词。==It’s time for+名词。到…….的时间了。
如：It’s time to go to bed. ==It’s time for bed.
3.want to do sth. 想要做某事
如：I want to sleep.
4.Let’s play football.=Let us play football. 让我们踢足球。
5.Time for lunch.=Time to have lunch. 到吃午饭的时间了。
UNIT 3
一．词型转换
1.dress(复数) dresses 2.whose(同音词) who’s
3.white(对应词)black 4.no（反义词）yes
5.these(单数) this（对应词）those 6.have(单数)has
二．重点句型：
1.Is this your jacket, Mike?(变复数) Are these your jackets, Mike?
2.like+sth.喜欢某物 如：I like the white sweater.
3.so many+名词复数 如此多……
如：So many colours!
UNIT 4
一．词型转换。
1.warm（反义词）cold 2.wear（单三）wears
3.cann’t (完整形式) can not 4.let’s (完整形式) let us
5.rainy (动词) rain 6.snowy（动词）snow
7.cloudy(名词)cloud 8.sunny（名词）sun
9.hello(同义词)hi 10.have to(同义词) must
11.close(反义词) open 12.bye（同义词）goodbye
二．重点句型
1．Can +主语 +动词原形+其他？……能做什么吗？
肯定回答：Yes,主语 can 否定回答：No,主语+can’t
如：Can I wear my new shirt today?
No, you can’t. / Yes, you can.
2.You can wear your new shirt.(变否定句)
You can’t wear your new shirt.
3.put on 穿上（反义词）take off 脱下
4.What’s the weather like in Beijing?=How’s the weather in Beijng?
北京的天气怎么样？
5．How about New York?=What about New York？
纽约怎么样?
6. It’s windy now.=It’s winding now. 天正在刮风。
7.What’s the matter with you？=What’s wrong with you？你怎么了？
Unit 5
一词型转换。
1.colourful( 名词)colour 2.pretty（同义词）smart
3.cheap（反义词）expensive 4.big（反义词）small
5.long(反义词)short 6.want(单三)wants
7.we’ll(完整形式)we will 8.them(主格)they
9.are(单数) is/am 10.they(形容词性物主代词)their
二．重点句型。
1.Can I help you？=What can I do for you？ 我能帮助你吗?
2.How much is/are +主语?某物多少钱？
It’s/They’re+钱数。
如:How much is this dress?
It’s ten yuan.
How much are the sweaters?
They’re ninety yuan.
UNIT 6
一． 词型转换。
1.sheep(复数)sheep 2.hen(对应词)cock
3.farm(名词)farmer 4.fat(反义词)thin
5.tomato(复数)tomatoes 6.cucumber(复数)cucumbers
7.potato（复数）potatoes 8.there(对应词)here
二．重点句型。
1.How many +名词复数+其他？多少……..?
如；How many sheep are there?
How many babies do you have?
2.Are these/those +名词？这些/那些是……吗？
肯定回答：Yes, they are.否定回答：No, they aren’t.
如：Are these/those cows?
Yes, they are. / No, they aren’t.
3.They are goats.（变单句）It is goat.
四年级下册知识梳理
UNIT 1
一.词型转换.
1.library（复数）libraries 2.first(基数词)one 缩写1st
3.our（主格）we 4.visitor（动词）visit
5.there（对应词）here 6.class（复数）classes
7.beautiful(同义词)nice 8.light(反义词) heavy
9.this （对应词）that 10.my（主格） I
11.your(主格) you 12.second(基数词) two
13.yes（反义词）no 14.it（复数）them
二．重点句子。 1. Where is the canteen∕art room? 餐厅∕绘画教室在哪里？
It’s on the first∕second floor. 它在一楼∕二楼。
2. How many students are there in your class? 你班里有多少个学生？
Forty-five. 45个。
3. Is this∕that a teacher’s desk? 这∕那是讲台吗？
Yes,it is. ∕No,it isn’t. 是的，它是。∕不，它不是。
4. Do you have lunch at school?
Yes, I have./ No, I haven’t.
5. GO to the garden. Water the flowers.
6. This way, please.
7. Let’s go and have a look.
UNIT 2
一． 词型转换.
1.now(同义词) at the moment 现在 2.kid(复数)kids
3.run(现在分词)running 4.one(序数词)first
5.two(序数词)second 6.three（序数词）third
7.four(序数词)fourth 8.five(序数词)fifth
9.six(序数词)sixth 10.seven（序数词）seventh
11.eight（序数词）eighth 12.nine（序数词）ninth
13.ten（序数词）tenth
二．重点句型：
1.What time is it?==What is the time？∕What’s the time? 几点了?
It’s +时间。是………点钟。
2.It’s time to +动词。==It’s time for+名词。到…….的时间了。
如：It’s time to go to bed. ==It’s time for bed.
3.want to do sth. 想要做某事
如：I want to sleep.
4.Let’s play football.=Let us play football. 让我们踢足球。
5.Time for lunch.=Time to have lunch. 到吃午饭的时间了。
UNIT 3
一．词型转换
1.dress(复数) dresses 2.whose(同音词) who’s
3.white(对应词)black 4.no（反义词）yes
5.these(单数) this（对应词）those 6.have(单数)has
二．重点句型：
1.Is this your jacket, Mike?(变复数) Are these your jackets, Mike?
2.like+sth.喜欢某物 如：I like the white sweater.
3.so many+名词复数 如此多……
如：So many colours!
UNIT 4
一．词型转换。
1.warm（反义词）cold 2.wear（单三）wears
3.cann’t (完整形式) can not 4.let’s (完整形式) let us
5.rainy (动词) rain 6.snowy（动词）snow
7.cloudy(名词)cloud 8.sunny（名词）sun
9.hello(同义词)hi 10.have to(同义词) must
11.close(反义词) open 12.bye（同义词）goodbye
二．重点句型
1．Can +主语 +动词原形+其他？……能做什么吗？
肯定回答：Yes,主语 can 否定回答：No,主语+can’t
如：Can I wear my new shirt today?
No, you can’t. / Yes, you can.
2.You can wear your new shirt.(变否定句)
You can’t wear your new shirt.
3.put on 穿上（反义词）take off 脱下
4.What’s the weather like in Beijing?=How’s the weather in Beijng?
北京的天气怎么样？
5．How about New York?=What about New York？
纽约怎么样?
6. It’s windy now.=It’s winding now. 天正在刮风。
7.What’s the matter with you？=What’s wrong with you？你怎么了？
Unit 5
一词型转换。
1.colourful( 名词)colour 2.pretty（同义词）smart
3.cheap（反义词）expensive 4.big（反义词）small
5.long(反义词)short 6.want(单三)wants
7.we’ll(完整形式)we will 8.them(主格)they
9.are(单数) is/am 10.they(形容词性物主代词)their
二．重点句型。
1.Can I help you？=What can I do for you？ 我能帮助你吗?
2.How much is/are +主语?某物多少钱？
It’s/They’re+钱数。
如:How much is this dress?
It’s ten yuan.
How much are the sweaters?
They’re ninety yuan.
UNIT 6
一． 词型转换。
1.sheep(复数)sheep 2.hen(对应词)cock
3.farm(名词)farmer 4.fat(反义词)thin
5.tomato(复数)tomatoes 6.cucumber(复数)cucumbers
7.potato（复数）potatoes 8.there(对应词)here
二．重点句型。
1.How many +名词复数+其他？多少……..?
如；How many sheep are there?
How many babies do you have?
2.Are these/those +名词？这些/那些是……吗？
肯定回答：Yes, they are.否定回答：No, they aren’t.
如：Are these/those cows?
Yes, they are. / No, they aren’t.
3.They are goats.（变单句）It is goat.