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(共29张PPT)
Grammar
Unit 3
What makes a great team
能在团队主题语篇中感知情态动词 should/have to 表建议的用法，明确其句型特点（情态动词 + 动词原形）。
能正确使用 should/have to（含否定形式）根据生活经验提建议，完成书面操练任务。
能围绕 “优秀团队领导者的品质” 主题，结合所学情态动词和核心词汇开展口头对话，表达个人观点。
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2
1
学习目标
Rule 1: You must be quiet.
Rule 2: You mustn’t eat or drink.
Rule 3: You mustn’t ask questions.
Rule 4: You can’t speak loudly.
There are some rules.
新课讲授
Can you guess where it is
It is in the library.
Read the sentences from the reading passage and summarise the grammar rules.
(a) First, you should discuss the matter with Lisa.
(b) You're the director, but you don't have to deal with all the
problems yourself.
情态动词
What can you find
情态动词
情态动词本身有一定的含义，表示说话人对有关行为或事物的态度和看法。情态动词所表示的情态有: 命令、允诺、义务、可能、需要等。
定义
Presentation
5
Now find more sentences with these structures in the reading passage.
Now find more sentences with these structures in the reading passage.
一般无人称和数的变化
情态动词后接动词原型
情态动词的否定式:在情态动词后加not
情态动词的使用规律
You shouldn't eat too much junk food if you want to stay healthy.
如果你想保持健康，就不应该吃太多垃圾食品。
should
含义
表示建议或劝告，意为“应当”
可用于肯定句、否定句和疑问句
You should listen to the doctor's advice.
你应当听从医生的建议。
否定形式
should not (shouldn’t), 表示“不应”的意思
You mustn't talk loudly in the library.
图书馆内禁止大声喧哗。
must
含义
must意为“必须”可用于肯定句、否定句和疑问句。
She must learn to manage her time better. 她必须学会更好地管理自己的时间。
否定形式
must not(mustn’t), 意为“不应该”或“禁止”
You can't put the milk in first.
你不能先倒入牛奶。( 没有禁止的含义)
Can I have a look at your photos 我可以看一下你的照片吗
can
含义
意为“请求允许”和“给予许可”可用于肯定句、
否定句和疑问句。
When you get to know each other better or when they ask you to, you can just use their first names.当你们更加熟悉或他们请你(这样做)时，你就可以只称呼他们的名字了。
否定形式
cannot(can’t)表示“不能，不可以”，语气弱于must not(mustn't)。
You needn't wait.你不必等待。
need
含义
need作情态动词时意为“需要”,可用于肯定句、
否定句和疑问句。
If she wants anything, she need only ask.
如果她要什么，说一下就行了。
否定形式
need not(needn't)比较常用，表示“不需要”或“不必要。
need
need也可以作行为动词，意思也是“需要”常用于need to do sth.结构。
I need to clean the house.
我需要把房子打扫一下。
You don't need to leave now. It's still early.
你没必要现在就走,时间还早。
must, can, need 的一般疑问句的构成及其回答
— Must I come before 6:30 tomorrow
明天我必须在六点半之前来吗
— Yes, you must.
是的，你必须在那之前到。(表示一定要 )
— No, you needn’t.
不，你不必在那之前来。 (表示没必要，相当于You don't have to.)
must, can, need 的一般疑问句的构成及其回答
— Can we go home now, please
请问我们现在能回家吗
— Yes, you can.可以。(表示允许)
— No, you can't.不行。(表示不允许)
must, can, need 的一般疑问句的构成及其回答
— Need I report it to the police
我要向警方报告这件事吗
— Yes, you must.是的，你必须报告。(表示必须做)
— No, you needn't.不，没必要。(表示没必要)
辨析have to与must
侧重于说话者的主观看法，认为有义务有必要做某事。
侧重于客观需要，有“不得不，被迫”之意
must
have to
All passengers must wear seat belt.
所有乘客都要系安全带。
You have to stay at home.
你必须待在家里。
You'd better not waste any more of your time.
你最好别再浪费你的时间了。
had better
含义
had better表示劝告或建议，意为“最好…
You'd better get some sleep.你最好睡一会儿。
否定形式
had better一般不用于疑问句中，但可用于否定句中，其否定形式为had better not。
Read the sentences and write your advice with should(n't) or (don't)have to.
1.Simon is late for the meeting today.
All the team members are waiting for him.
Betty wasn’t allowed to have a lazy day on the sofa.
He should pass the ball to others sometimes.
He shouldn't be late for meetings.
2. Captain Oliver never passes the ball to others in the match.
3. Donna doesn't like others in the team to question her decisions.
Practice
6
Complete the comment box using the modal verbs you have learnt.
7
Tony is willing to take responsibility for the team, and he knows our talents well. But sometimes he seems a bit shy. I think he 1_________ have more confidence. He has done a good job, and he 2___________ be too hard on himself.
LEAVE A COMMENT
What do you think about Tony, your new team leader
Add a comment ...
Post your comment
should
shouldn’t
Morgan is right. Tony is a good leader, and we
3______________ about anything. But he 4________________ every decision on his own.
We're a team. He 5_________ feel free to turn to us.
don't have to
doesn't have to
should
Work in pairs. Discuss the qualities of a good leader. Use the words and expression from the reading passage and the Useful expressions to help you.
Useful expressions：
A good team leader should(n't)...
He / She doesn't have to...
Take... as an example,
For example, ...
I (don't) agree with you.
I (don't) think so.
8
Discuss the qualities of a good leader
Example(s):
A good team leader should take responsibility for the team's decisions. For example, if something goes wrong, he/she shouldn't blame others.
Responsibility
Discuss the qualities of a good leader
Example(s):
He/She should discuss important matters with team members. For example, when giving out roles, a good leader should listen to everyone's opinion first.
Good Communication
Discuss the qualities of a good leader
Example(s):
A leader doesn't have to do everything alone. Take Ms White's advice as an example - she says "You have a whole team, so ask them too!" I think
a good leader should trust the team.
Teamwork
Discuss the qualities of a good leader
Example(s):
A good leader should have confidence. For example, when everyone is looking at you to make a decision, you shouldn't just freeze like Tony did.
Confidence
Discuss the qualities of a good leader
Example(s):
A good leader should be fair to everyone. For example, he/she shouldn't always choose the same person for the best roles. I agree that fairness is very important.
Fairness
Must do:
1.记忆本节课的单词和短语，重点句型;
2.完成课后的相关练习。
Choose to do:
规则设计
你负责制定新的"班级自习室规则"，请
用情态动词写5条规则：
Example: You must keep the room clean.
Homework

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