牛津版 (深圳&广州)七年级下册（2012秋审查）Unit 8 From hobby to career一等奖ppt课件

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1. Language knwledge1) Understand the structure and usage f t adverbial clauses f time with the cnjunctin when.2) Understand the structure and usage f used t/did nt use t.2. Language skillsT master the changing rules f adverbial clauses f time with the cnjunctin when and the pragmatic functins f used t/did nt use t.
Answer the questins accrding t the article f Page 105:
1. When was the beginning f the writer’s lifetime hbby? He gt a bk abut stars when he was eight.2. What did the writer use t d with his mum? He used t g utside with his mum n clear nights and lk at the sky.
Presentatin
Adverbial clauses f time (when)时间状语从句
定义：用来表示时间，修饰主句的从句。引导词：1) 表示某个时刻发生的动作：when、while、as、nce 2) 表示某个时刻之前发生的动作：befre、until3) 表示某个时刻之后发生的动作：after、since
1. when引导从句时，表示从句的动作与主句的动作同时发生。eg. When the bell rings, he gets int the classrm. 当铃声响起时，他进入教室。 When yu were ut, Jack called in. 你出去的时候，杰克来了。 I will tell her the news when I meet her. 当我见到她时，就会把这个消息告诉她。 （当主句是将来时的时候，从句要用一般现在时。）
2. while侧重主从句动作的对比，且从句的动词必须是持续性的。eg. While we were chatting she was reading cmic． 我们聊天时，她正在看漫画。 3. as引导从句时侧重主从句动作同时或几乎同时进行，从句的动作可以是持续性的，也可以是短暂的。eg. Smetimes I watch TV as I am having breakfast． 有时我一边吃早饭一边看电视。
4. 我们也可用after, befre, until, as sn as等连词引导时间状语从句。eg. Befre Mary went t bed, she drank sme milk. 玛丽睡觉前喝了些牛奶。 After he washes his hands, he eats cakes. 他洗手后吃蛋糕。 I didn’t get up until it was 10 a.m. 我直到上午10点才起床。 I will call yu as sn as I get there. 我一到那里就给你打电话。
We can use the cnjunctin when t frm an adverbial clauses f time. It links tw clauses int ne sentence.
When I was eight, I g a bk abut stars.When the girl gt lder, she sailed the bat herself.
We can als use befre, after, while, as sn as and until t frm adverbial clauses f time.
Things t remember
We can put an adverbial clause f time at the beginning r the end f a sentence.
When we arrived, the sky went dark.
The sky went dark when we arrived.
When we use the cnjunctin when t link tw clauses, we tell peple that the tw actins happen at (the same time/ different times).
Wrk ut the rule
Chse the crrect answers:
1. My grandfather was nt at hme _________ (when, until) I came t visit him. 2. He gives me a call_________(until / as sn as) he arrives at the airprt, 3. Yu must brush yur teeth_________(befre / after) yu g t bed. 4. It was rainy _________( when / until) they went ut fr shpping.
Match the clauses in clumn A with thse in clumn B t make cmplete sentences with when.
1. _________________________________________ _________________________________________ _________________________________________ _________________________________________2. _________________________________________ _________________________________________
She always brings a present when she visits her friends.
When she visits her friends, she always brings a present.
He sits n the flr when he watches TV.
When he watches TV, he sits n the flr.
3. _________________________________________ _________________________________________4. _________________________________________ _________________________________________
He stayed in bed when he was ill.
When he was ill, he stayed in bed.
She takes a basket when she ges shpping.
When she ges shpping, she takes a basket.
used t含义：“过去经常”，其后接动词原形(不接动名词)：eg. He used t live in Paris. 他过去一直住在巴黎。 I used t write petry when I was yung． 我年轻时常常写诗。
否定式和疑问式的构成：used t作为情态动词，可直接在used后加nt构成否定式或将used置于句首构成疑问式，也可像普通动词那样借助助动词did构成否定式和疑问式：eg. He usedn’t /didn’t use t cme. 他过去不常来。 Used yu t g there? = Did yu use t g there? 你过去常到那儿去吗?
We use used t t talk abut smething we ften did in the past. Its negative frm is did nt use t/ didn’t use t.
I used t g utside with my mum n clear nights and lk at the sky.When did her dad use t take them fr trips n his bat?I didn’t use t have much mney.
Used t is a mdal verb. Other examples f mdal verbs are can, may and must. D nt cnfuse used t with the main verb use.He used t lk at the stars every night, but nw he des nt.He used his knwledge t tell peple abut the stars in a lively way.
We use (the simple past tense/ the base frm) f the main verb after used t.
Cmplete the sentences:
1. It used t be a very pr twn. (改为否定句） It ______ ______ ______ ______ a very pr twn. 2. Her sister used t be sht.（对划线部分提问） ______ ______ her sister______ ______ ______? 3. I used t have ndles fr dinner. (改为一般疑问句并作肯定回答） —— ______ yu ______ ______ ______ ndles fr dinner?—— Yes, I ______.
didn’t use t be
Hw did use t be
Did use t have
Lk at the pictures f Mike at primary schl and Mike nw. What did he use t d and what des he d nw? Use the example belw t help yu.
g/ Dngfeng Rad Primary Schl　
g/ N. 5 Junir High Schl　
Mike used t g t Dngfeng Rad Primary Schl.
Nw he ges t N.5 Junir High Schl.
Mike used t g t bed at 9 p.m.
Nw he ges t bed at 10 p.m.
g t bed/ 9 p.m.
g t bed/ 10 p.m.　
Mike didn't use t enjy swimming.
Nw he ges swimming every week.
nt enjy/ swimming
g/ swimming/ every week
Mike used t be shy.
Nw he enjys talking t peple.
enjy/ talk/ peple
Lk at the pictures and talk abut the peple.
She used t is ... nw.
He used t is ... nw.
时间状语从句定义：用来表示时间，修饰主句的从句。引导词：when、while、as、nce、befre、until、after、since used t含义：“过去经常”，其后接动词原形否定式和疑问式的构成：
1. T make yur DIY wrk perfect, yu’d better nt start ______ yu get all the tls ready. A. when B. While C. befre2. —— Des yur mther ften get hme late? —— Yes. The sky is always dark _____ she cmes back. A. when B. until C. because
3. My sister____be lazy. But nw she's wrking really t B.is used t C.was used t4. ——Did yu _____ t eat ut with yur parents? ——N, I didn’t. A. use B. used C. using 5. Amy was reading a bk __________ I came in.A. while B. when C. because