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首页 > 教案下载 > 英语教案 > 初中英语教案 > 七年级英语教案 > Unit 6 pets 第四课时(Pages94~97)

Unit 6 pets 第四课时(Pages94~97)

发布时间:2019-11-25

you must arrive at school at 8.10 in the morning.
you ought to walk slowly on the stairs .
you should hand in your homework to the monitor.
the class has to choose a class monitor .ask 
what are his/her duties?e.g.,
he /she must collect the exercise books .
he/she should make sure that students follow the schoo l rules.
7. ask students to read the four letters in part b2 carefully. make sure that they understand the messages well. ask them remember and to check the words in th eir dictionaries.
8. in part b3, students can read some of the answers which give advice to   the writer of each letter. students check answer s with a partner.
9. divide the class into groups of four .one group comes to the front of the class and each member reads one letter at a time .
a representative from another group responds by reading his/her advice. you could turn this into a competition. if the sentence is correct ,the group wins a point .if not ,the chance goes to the next group. students correct their own sentence.
we use ‘should’and ‘should not/shouldn’t’to give advice and to
 tell people what is the best or right thing to do.’ought to’and
 ‘ought not to/oughtn’t to’have similar meanings.
( 但 前者隐含了个人的观点,因此语气稍弱;后者语气稍强,常用于指
外部强加的法律或规定.)
      we use ‘must’ to tell people that it is neces sary or very important to do something.we use ‘must  not/mustn’t’to tell people that it is necessary or very important not to do something.
(‘must’语气最强,表示某件事完全必要.)
1.‘must’ 的三种用法:
   (1)指做某事非常有必要或很重要,侧重指主观意愿,否定回答用
needn’t.(如果表示 受客观情况所逼,不得不做某事,常用‘ have to’.)
我今天必须做完家庭作业吗?不,不必了./是,必须.
_______ i finish my homework today?no,you____ __./yes,you_____.
你不得不呆在家 ,因为天在下雪.
you _______  _______stay at home becau se it is______.
    (2)must not/mustn’t表示“ 不允许”.
你千万别玩火.you ______  ______  _______  fire.
红灯时,你千万不能穿马路.
when the traffic lights are  red,you ______  ______  the road.
    (3)表示肯定的揣测,“ 准是,肯定是”,否定式为‘can’t’.
那个人是谁?一定是我们校长.不可能是他,他去北京了.
who’s that man?it ______  ______ our headmaster.
it ______  _______him. he has gone to beijing.
extension activity 
ask more able students to come up with their own advice to the pet owners .tell them to choose two things you should  (not)ought (not) to do when you own a pet. they then write sentences givi ng instructions. ask students to read out their advice to the class.
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