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LEVEL: Secondary 3 second Term PERIOD(S): Two lessons (@40 minutes)

TOPIC: CONDITIONAL SENTENCES TO SHOW OBLIGATION AND NECESSITY. LEVEL: Secondary 3 second Term PERIOD(S): Two lessons (@40 minutes) DESIGNER: Eric Fung Chung-yin English Department CCC ROTARY SECONDARY SCHOOL Date: 29 February 2000.

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LEVEL: Secondary 3 second Term PERIOD(S): Two lessons (@40 minutes)

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  1. TOPIC: CONDITIONAL SENTENCES TO SHOW OBLIGATION AND NECESSITY LEVEL: Secondary 3 second Term PERIOD(S): Two lessons (@40 minutes) DESIGNER: Eric Fung Chung-yin English Department CCC ROTARY SECONDARY SCHOOL Date: 29 February 2000

  2. AIMS & OBJECTIVES • 1. Students are able to use “must” & “have to” to show necessity and obligation. • 2. Students are able to use ‘if’ & ‘must’/ ‘have to’ to make sentences to show the conditional sentences

  3. LESSON PLAN 1. 3’ Warm up activities (a. moving paper under a glass; b. throwing an egg.) 2. 10’ Revision of previous knowledge. 3. 30’ Grammar Point: Conditional sentences to show obligation and necessity. 4. 15’ Games Time 5. 10’ Pair Work Activities 6. 7’ Conclusion 7. 5’ Homework for consolidation

  4. Teaching materials • One or two glasses; a piece of paper. • One egg. • Activity envelopes • Worksheet

  5. CONDITIONAL SENTENCE- USING ‘If’ SECONDARY 3 GRAMMAR Prepared by Fung C.Y.

  6. Do you want to play with them? Activities

  7. Do you want to play some similar games? Let's try!!! Let's try!!! Let's try!!! 2'

  8. ACTIVITY 1 -moving paper under a glass • Before playing the game, let’s think • What will happen if he is not careful? • The glass will fall. • The glass will break. • So he must be very careful.

  9. ACTIVITY 2 -Throwing an egg • What will happen if he is not careful? • The egg will fall. • The egg will break. • He needs to clean the floor. • So he must be very careful.

  10. Revision on conditional sentences • How do we say about them using ‘if’? • If he is not careful, the glass will break. • If he is not careful, the glass will fall on the floor. • If he is careful, he will catch the egg.

  11. GRAMMAR POINT • Do you think that he must do something in order to play better? MUST ( HAVE TO)

  12. CONDITIONAL SENTENCES USING ‘MUST’ • TO SHOW • ‘NECESSITY’ OR • ‘OBLIGATION’

  13. Examples • If he does not want to break the glass, he must move the paper faster. • If he wants to catch the egg, he must always look at it.

  14. If they want to go diving………... What must they do?

  15. Example 1 • If they want to go diving, they must know how to swim. • If they want to dive deeper, they must have a bottle of oxygen.

  16. If he wants to play tennis, he must have …..

  17. Example 2 • If he wants to play tennis, he must have a racquet. • If he wants to play tennis, he must have some tennis balls.

  18. ‘if’ can be put in the middle of a sentence. We must bring an umbrella if ___________________.

  19. We must bring an umbrella if it rains heavily.

  20. GAMES TIME

  21. If you want to pass the exams, If you want to keep fit, If you want to borrow books from the library, Let’s play !!!See how many correct sentences you will make. • you must become a member. • you must study hard. • you must eat more. • you must exercise regularly.

  22. If you want to complain about a bus service, If you want to go to bed early, If you want to ask a question in class, Let’s play 2 !!! • you have to put up your hand. • you have to write to the bus company. • you have to buy a bus. • you have to get up early.

  23. Let’s play 3 !!! • You have to contact a travel agent • You have to practice a lot • You have to book the tickets early • You have to lie in the sun • if you want to book a holiday. • if you want to get a suntan. • if you want to see the show. • if you want to buy a book. • if you want to swim well.

  24. PAIR WORK(open the envelopes) • In 3-5 minutes, rearrange the given clauses to make good sentences using ‘if’. • Remember, you can put the ‘if-clause’ at the beginning or the end of the sentences.

  25. ANSWER KEY • If you want to pass the exam, you must work hard. • If you want to keep fit, you must do more exercises. • If you want to use the library, you have to keep quiet. • You must practice a lot if you want to swim well. • You have to lie in the sun if you want to get a suntan. • You have to walk faster if there is a fire.

  26. CONCLUSION • We can use ‘if’ with modal verbs such as ‘must’ and ‘have to’ to show necessity and obligation. • E.g. If we want to study at school, we must follow school regulations. • E.g. We must not be late if we want to be good students.

  27. CONCLUSIONcont. • Remember the ‘if-clause’ can be used at the beginning or at the end of the sentences. • YOU HAVE TO PRACTISE MORE IF YOU WANT TO LEARN THE CONDITIONAL SENTENCES WELL.

  28. SEE YOU LATER!!!

  29. HOMEWORK • 1. Complete the work sheet (Unit 9 P.1). • 2. G.E. exercises on page 9 (Book 3B)

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