最新人教版四年级英语(下)

What time is it? It's 12 o'clock. It's time for lunch. It's time to watch TV. It's 2 o'clock.let's play football.
OK.
It's 7 o'clock. It's time to get up.
序数词缩写: first, second, third 通常可缩写为1st, 2nd, 3rd。 凡是以th结尾的序数词可缩写为“基数词+th”。如:4th, 5th, 9th, 11th, 60th, 128th等。 第二十一 twenty-first 第二十二twenty-second 第二十三 twenty-third 第二十 三十 四十 五十 六十 七十 八十 九十 里的y, 首先 改为ie再加th。 twentieth thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth 如果整十后面带有个位数，只需把个位数变为序数词即 可twenty-fifth thirty-sixth forty-seventh fifty-eighth 第一百one hundredth 第一千one thousandth 第一百二十一one hundred and twenty-first 第一千三百二十一one thousand and three hundred
时间的表达方法：
五、如果所表述的时间恰好为半小时， 可以用“half + past + 小时”： 11:30 half past eleven 2:30 half past two 六、如果所表述的分钟和15有关，就有三种表达法： （15分钟又叫一刻钟：a quarter） 9:15 - nine fifteen; fifteen past nine ; a quarter past nine ； 3:45 - three forty-five ; fifteen to four ; a quarter to four
third floor [θɜːd flɔ:]
second floor [ˈsekənd flɔ:]
first floor [fə:st flɔ:]
teachers' office ['tɪtʃɚs 'ɒfɪs]
library [ˈlaɪbrərɪ]
playground ['pleɪgraʊnd]
Let' do
句型练习：
序数词变化规律
基变序有规律 一，二，三，特殊记，词尾各是t , d , d . （one→first， two→second， three→third） 八去t , 九去e , 五和十二很容易，f来把ve替， 遇到整几十，改y为ie，末尾仍加th （eight→eighth，nine→ninth，five→fifth， twelve→twelfth，twenty→twentieth， thirty→thirtieth） 若是遇到几十几，只变各位就可以。 (twenty-second)
Where's the library?
It's on the first floor.
Is it next to the teachers' office?
Yes,it is.
This is my school. Cool! Do you have a music room?
Yes,wwenku.baidu.com do.It's on the first floor.
重点句型讲解
Where's the library? where 意为“在哪里”，用来引导特殊疑问句， 表示对地点的询问。 “Where + is / are +主语？” 表示“....在哪里？” Where are the keys? 钥匙在哪里？ 注意：where is =where's where are =where're
What time is it ?
's
What time is it ?
It's 7:30. It's time to
go to school.
What time is it ?
It's 4:00. It's time to
go home.
What time is it ?
It's 9:00. It's time to
What time It's 10 o'clock. is it? It's time to go to bed.
Hurry up!It's time for school!
Hi! School is over. Let's go to the playground.
OK.
What time is it now?
go to bed.
重点句型讲解
1.What time is it now? 用来询问具体的时间，答语通常是 It's + 基数词+o'clock. 或者省略 It's ，直接回答 基数词+o'clock. 例：What time is it now? (It's ) 10 o'clock. 2.It's time to +动词（短语）原形 +其他 表示“该做.....;做.....的时间到了”或省略It's , 缩写为“Time to +动词（短语）原形 +其他” It's time to go to school.=Time to go to school. 该去上学了。 3.It's time for +名词 It's time for dinner. = It's time to have dinner. 该吃晚餐了。
重点句型讲解
Do you have a library? 由助动词do 引导的一般疑问句，do 在句中没有 任何实际意义。 结构为Do you have +物品名称？ 意为“你/你们有....吗？” 肯定回答：Yes,I /we do. 否定回答：No,I /we don't. Do you have a garden? 你们有花园吗？ Yes,I /we do. 是的，我们有。 No,I /we don't. 不，我们没有。
Is this the teachers' office?
It's next to the art room.
No,it isn't.It's the computer room.
Do you have an art room? Yes.It's on the second floor.
Oh,no!That's my library!
重点句型讲解
Is this the teachers' office? 由be动词is引导的一般疑问句，意为“这是....吗？” 用来确认近处物体的名称。 其结构为：Is this + 物品名称？ 肯定回答为：Yes,it is.(是的。) 否定回答为：No,it isn't.(不，不是。) Is this your pen? 这是你的钢笔吗？ Yes,it is.是的。/ No,it isn't. 不，不是。
Unit Two What time is it?
breakfast ['brekfəst]
lunch [lʌn(t)ʃ]
dinner ['dɪnə]
English class ['ɪŋɡlɪʃklɑːs]
music class ['mjuːzɪk klɑːs]
PE
kid [kɪd]
computer room [kəm'pjuːtə ruːm]
art room [ɑːt ruːm]
music room ['mjuːzɪk ruːm]
homework ['həʊmwɜːk]
class [klɑːs]
方位介词
Look ！That's the playground.
Where's the library?
Chen Jie:Welcome to our school! This is my classroom. Visitor :It's so big.How many students are there in your class? Chen Jie:Forty-five students. Visitor :Is that the computer room? Chen Jie:No,it isn't.It's the teachers' office. Visitor :Do you have a library? Chen Jie:Yes,we do.It's on the second floor. This way ,please.
2.birth nurse 4.hamburger number
Unit Three Weather
weather ['weðə]
sunny ['sʌnɪ]
windy ['wɪndɪ]
cloudy ['klaʊdɪ]
snowy ['snəʊɪ]
rainy ['reɪnɪ]
cold [kəʊld]
Sydney 8:10 p.m. 7:10 a.m. 12:10 p.m. 10:10 p.m.
In Beijing,it's 8:10 p.m. What time is it there?
It's 7:10 a.m. It's time to go to school.
练习：
5:00
1.bird dirt 3.girl hurt
cool [kuːl]
warm [wɔːm]
hot [hɒt]
degree [dɪ'griː]
world [wɜːld]
New York [ 'nju: 'jɔ:k ]
London [ˈlʌndən]
Moscow ['mɔskəʊ]
Singapore [ˌsɪŋgə'pɔ:]
Sydney [ˈsɪdnɪ]
Time to go home,kids.
What time is it?
It's 6 o'clock. It's time for dinner.
It's 5 o'clock.
Oh! Let's go!
Where are you? I'm in New York. Beijing New York London
Is it snowing?But it isn't cold. What's the weather like in London? It's rainy.
Can I make a snowman?
Yes,it is. It's snowy here.
It's cloudy in Singapore.
clock [klɒk]
New York [ 'nju: 'jɔ:k ]
London [ˈlʌndən]
Moscow ['mɔskəʊ]
Singapore [ˌsɪŋgə'pɔ:]
时间的表达方法：
一、所有的时间都可以用“小时 + 分钟”直接读： 6:10 six ten 8:30 eight thirty 2:40 two forty 二、如果所表述的时间是整点，现在是两点整： It's two. 或 It's two o'clock. 三、如果所表述的时间在半小时之内，可以用 “分钟 + past + 小时”： 6:10 ten past six 4:20 twenty past four 10:25 twenty-five past ten 四、如果所表述的时间在半小时之内，可以用 “（相差的）分钟 + to + （下一）小时”： 10:35 twenty-five to eleven 5:50 ten to six 9:49 eleven to ten
重点句型讲解
How many students are there in your class? how many 意为“多少”，用来询问可数名词的 数量 How many apples are there on the tree ? 树上有多少个苹果？ 注意：当询问不可数名词的数量时要用 how much How much money do you have? 你有多少钱？