(共33张PPT)
Unit2 What time do you go to school
人教新目标版 七年级下
SectionB 1a-1e优质公开课
Learning objectives
1.学习时间的表达法（逆读法），数词表达法（基数词）和介词表达法（past/to）。
2.能正确拼读、识记“half, past, quarter, homework, run, clean, walk”等重点单词，熟练掌握“ half past, a quarter to，do (one’s) homework, take a walk”等重点短语。
3.巩固what time和when引导的特殊疑问句句型， 能简单谈论日常作息习惯。
4.培养良好的的作息习惯和守时习惯。
Warming-up
It’s ________
6:00
7:15
12:10
6:25
7:30
9:00
six o’clock
seven fifteen
twelve ten
six twenty-five
seven thirty
nine o’clock
--What time is it
Look and answer quickly.
Revision
整点：“hour” + (o’clock)
顺读法:“hour” + “minute”
Can you read the following time
How many ways can you read
2:30
11:00
4:10
8:20
5:45
1:15
New drills
①直接表达法：用基数词，按“小时+分钟”的顺序直接写出时刻。
②添加past表达法：当分钟数≤30分钟，用“分数+past+小时”表示，意为“几点过几分”。
past prep. 晚于；过（时间） adj. 过去的
fifteen past twelve
非整点时刻的表达方式
twelve fifteen
12 : 15
quarter / kw (r)t (r) /
n. 一刻钟；四分之一
a quarter past twelve
当分钟数是15时，可用a quarter表示。
12 : 15
three quarters 3/4
①直接表达法：用基数词，按“小时+分钟”的顺序直接写出时刻。
②添加past表达法：当分钟数≤30分钟，用“分数+past+小时”表示，意为“几点过几分”。
thirty past twelve
twelve thirty
12 : 30
half past twelve
当分钟数是30时，可用half表示。
half /hɑ f/ /h f/ n. & pron. 一半；半数
twelve forty-five
fifteen to one
①直接表达法：用基数词，按“小时+分钟”的顺序直接写出时刻。
②添加to表达法：当分钟数＞30分钟，用“（60-原分钟数）+to+（原小时数+1）”表示，意为“差几分到几点”。
12 : 45
a quarter to one
当分钟数是15时，可用a quarter表示。
分钟数是30时，可以用half表示。如：6:30—half past six。
分钟数是15时，用 “a quarter past+钟点数”表示。如：6:15—a quarter past six。
分钟数是45时，用 “a quarter to+(钟点数+1)”表示。如：6:45—a quarter to seven。
(60-分钟数)+to+(钟点数+1)表示“差……分到……点”，如：6:50—ten to seven。
分钟数+past+钟点数表示“……点过……分”，如：6:12—twelve past six。
分钟数＞30
分钟数＜30
总结
时间表达法
分钟 past 小时
分钟数≤30分
half past
分钟 to 小时
分钟＞30分
o’clock
a quarter
a quarter
①顺读法：用基数词，按“小时+分钟”的顺序写出时刻。
②逆读法：如图示。
时间简单顺读法
顺读法
7：00
7:10
7:30
7:15
7:45
seven o’clock
seven ten
seven thirty
seven fifty
seven fifteen
seven forty-five
7:50
Practice
逆读法
7：00
7:10
7:30
7:15
7:45
seven o’clock
ten past seven
half past seven
ten to eight
a quarter past seven
a quarter to eight
7:50
时间复杂逆读法
o’clock
past
to
quarter
整点用o'clock
分钟<=半小时用past
60分钟>分钟>半小时
用to
15/45分钟用a quarter
时间读法之魔法记忆
“时”在前，“分”在后，quarter，half不能有；
如何使用 past和 to，我们可要看清楚；
前是“分”，后是“点”， past或 to立中间；
past是加， to是减；
如果表示“几点半”，要用 half加钟点。
—What time is it —It’s...
a quarter to
ten in the evening
half past six in the morning
a quarter past
three in the
afternoon
a quarter to
seven in the
evening
Try to read the following times as quickly as possible.
AM (a.m.) 上午，午前（午夜12:00至中午12:00前），使用时常用小写形式。
PM (p.m.) 下午，午后（中午12:00至午夜12:00前），使用时常用小写形式。
When do students usually do these things Match
the activities with the time of day.
1a
a quarter to
ten in the evening ______
half past six in the morning_______
a quarter past
three in the
afternoon_____
a quarter to
seven in the
evening ______
1. do homework
2. eat dinner
3. eat breakfast
4. go to bed
1
2
3
4
half past six in the morning 早上六点半
Language points
【用法详解】half 可作名词或代词，其复数形式为halves。 half of…意为“一半”。
He cut the orange into two halves. 他将橙子切成两半。
I know half of them. 我认识他们中一半的人。
Half of the apples are sour. 一半的苹果是酸的。
【拓展延伸】
one day and a half=one and a half days 一天半
two hours and a half=two and a half hours 2.5小时
基数词是one时名词用单数
几个半
基数词+可数名词复数+and a half
基数词+and a half+可数名词复数
a quarter past three in the afternoon
下午三点十五
【用法详解】quarter n. 一刻钟；四分之一
He arrived after a quarter. 他一刻钟以后到达了。
About three quarters of the earth is covered with water. 地球（表面）约四分之三被水覆盖。
【图解助记】quarter的一词多义：
一刻钟
四分之一
1b
Make conversations according to 1a.
Pre-listening
Read and learn the the expressions in the chart.
1. get up 6. do my homework
2. run 7. clean my room
3. eat breakfast 8. eat dinner
4. go to school 9. take a walk
5. go home 10. go to bed
v. 跑；奔
do (one’s) homework 做作业
v. 打扫；弄干净 adv. 干净的
散步；走一走
clean my room 打扫我的房间 (教材P10 1c)
【用法详解】（1）clean在此作及物动词，意为“打扫；弄干净”，其后可以直接跟宾语。
Sam, you must clean your bedroom. 萨姆，你必须打扫你的卧室。
（2）clean还可作形容词，意为“干净的”，其反义词为dirty（脏的）。
Her room is beautiful and clean. 她的房间既漂亮又干净。
Language points
【图解助记】clean的一词多义：
v. 打扫
adj.干净的
take a walk 散步 (教材P10 1c)
【用法详解】take a walk 意为“散步；走一走”，其同义短语为have a walk和go for a walk。walk在此处作名词，意为“行走；步行”。
My grandfather often takes a walk after dinner. 晚饭后，我爷爷经常去散步。
Language points
【拓展延伸】walk还可作动词，意为“行走；步行”。是不及物动词。
The baby is learning to walk. 这个宝宝正在学走路。
She walks to school every day. 她每天步行上学。
1c
1. get up _____ 6. do my homework _____
2. run _____ 7. clean my room _____
3. eat breakfast _____ 8. eat dinner _____
4. go to school _____ 9. take a walk _____
5. go home _____ 10. go to bed _____
Listen and circle the activities you hear.
1d
Listen again. Write the times next to the activities you circled in 1c.
1. get up _____ 6. do my homework _______
2. run _______ 7. clean my room _______
3. eat breakfast _______ 8. eat dinner _______
4. go to school _________ 9. take a walk _______
5. go home _________ 10. go to bed _______
5:30
6:00 a. m.
7:00 a. m.
7:45 a. m.
4:15 p. m.
5:30 p. m.
7:15 p. m.
9:00 p. m.
Listen and imitate.Then role play.
Interviewer: Tom, we want to know about your day.
Tom: OK.
Interviewer: When do you get up
Tom: When do I get up Hmm. Usually about half past five.
Then I run at six o’clock.
Interviewer: You run at six in the morning
Tom: Uh-huh.
Interviewer: And what time do you eat breakfast
Tom: Breakfast Usually about seven. And then I usually go
to school at a quarter to eight.
Interviewer: Wow! And you go home at …？
Tom: A quarter past four in the afternoon.
Interviewer: And what do you do in the evening
Tom:I do my homework at about five thirty, and I eat dinner
at seven fifteen. I go to bed at nine o’clock.
Interviewer: That’s early! But then you get up early.
Tom: Uh-huh.
The interviewer wants to know Tom’s day. Tom usually _______ at about half past five, then he runs at _______________________. He always eats his breakfast at seven o’clock. Then he goes to school at ___________
_______. At a quarter past four ______________, he goes home. He often __________________ at about five thirty and __________ at seven. After that he ___________ at nine o’clock.
Short-term memory test: fill in the blanks.
gets up
six o’clock in the morning
a quarter to
in the afternoon
does his homework
eats dinner
goes to bed
eight
Ask and answer questions about Tom.
1e
When does Tom usually get up
He usually gets up at half past five.
Early to bed and early to rise makes a man healthy, wealthy and wise.
So manage your time wisely!
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