The Fifth Period
Ⅰ.Content:
1.GrammerB:
Using “can”/ “could” to talk about possibility.
2.GrammerC:
Using “may” and “might” to talk about chances..
Ⅱ.Preparation:
Get the students to prepare something that will or won’t happen if we do so or don’t do so.
No.Do so / Don’t soPossible / impossible to happen
1Work hardPass the exam
2
3
…
Ⅲ.Teaching Aims:
1. To learn how to use “can” and “could” to talk about possibility.
2. To recognize degrees of possibilities when using “may” and “might”..
Ⅳ.Important and Difficult Points:
The differences between “may” and “might”.
Ⅴ.Teaching Procedures:
Step 1. Guessing a riddle.
It can live in water. It can breathe under water. It can swim. It can live in a glass bowl. People can feed and watch them every day. What is it?
(A goldfish)
Step 2. Revision.
Make different kinds of sentences with “can” and “could”.
1)read English story books.(last year)
2)mend computers.(two years ago)
3)help Mother do housework.(at the age of seven)
Step 3. Presentation.
1.Say:
① Zhang Hua works hard. It is possible for him to pass the exam.
(He can pass the exam)
② Nick didn’t bring a football to school.
It is not possible for us to play football after class.
(We can’t play football after class.)
③It was sunny last Sunday. It was possible for the children to go to the park.(The children could go to the park)
④Millie had no money yesterday. It was not possible for her to buy that coat.
(She couldn’t buy that coat.)
2.Show the sentences above on the screen and explain them to the students:
We use “can” / “could” to say that something is / was possible to happen.
3. Get the students to explain with “possible”.
①Fire can be dangerous if we are not careful.
②Mr. Sun can’t be at home because I saw him at school just now.
③I didn’t lose my key so I could get in.
④Mr. Sun could not get out because he hurt his leg.
Step 4. Practice:
1. Fill in the blanks.
2. Work in pairs to talk about something that can / could / can’t / couldn’t happen.
3. Report to the class.
4. Explain:
If we think something is sure to happen, We’d better use “must”.
eg.I saw Mr Yang in the library a moment ago. He must(一定) be in the school now.(Get the students to give more examples)
Step 5. Presentation.
1. Ask:
May I speak to …?
May I take this picture away?
2. Introduce the idea that we also use “may” and “might” to express possibilities.
eg.I am free today, I may go on an outing.
He feels very tired, He might have a good rest at home.
3. Explain the tables at the top of the page.
Note:
1)“Might” is the past from of “may”, but here it is also used to express degrees of possibilities.
2)The differences between “my/might” and “can/could”.
Step 6.Practice.
1. Fill in the blanks alone, and try to underline the keywords that the answers come from, then check the answer.
2. Explain: maybe / may be
3. Read the table and complete the sentences.
The members of the Helping Hands club want to look after Mr. Sun in hospital Please infer the possibilities according to the tables and fill in the blanks with “may (not)” or “might (not)”.
NameDays and TimeNear Plans
DanielMonday(16:00—18:00)Go to the Reading Club(15:30—18:00)
SandyTuesday(16:30—18:00)Go to the Music Club(14:00—15:30)
SimonWednesday(15:45—18:00)Have a football match(13:00—15:40)
KittyThursday(16:15—18:00)Go to the Dancing Club(18:00—20:00)
AmyFriday(15:30—17:40)Have Swimming Lessons(17:30—21:00)
MillieSunday(8:00—11:00)Have nothing to do this day.
1.Daniel go and see Mr Sun on Monday.
2.Sandy go to see Mr Sun on Tuesday.
3.Simon go to the hospital to help Mr Sun on Wednesday.
4.Kitty go to help Mr Sun on Thursday.
5.Amy help Mr Sun on Friday.
6.Millie go to help Mr Sun on Sunday.
(Key：1.may not 2.may 3.might 4.might 5.might not 6.may)
Step 7.Extension.
You are trapped into a lonely island. How can you escape ? Please think of more ways. You’d better make sentences with “may” or “might”.
Step 8. Homework
Ex B on page 50 of the workbook.