Unit -11- Period -4-

Modal verbs

Khaled Al Astal Rula Farouq Al Farr’a

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Objective:

Students are expected to:

Use present and past forms of modal verbs

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Use present and past forms of modal verbs

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Examples

1. A and C are both wrong so the answer must be B.

2. You should realise how lucky you are.

3. The volcano is still active, so it could explode at any time .

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Examples

4. I was born in 1942, so I must have been about six or seven at the time.

5. I should have realised what it was.

6. I’m sure we could have afforded a fridge then.

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Present

Present modals

Must +inf.

يجب

للضرورة

Should + inf.

ينبغي

ةللنصيح

Could + inf.

استطاع اجالاستنت

Might + inf.

ربما يكون

عدم التأكد

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Form Use

Past Modals

must have + p.p

For certainty

Past logical conclusion

Ability and deduction

should have + p.pAdvice and

criticise

could have + p.p

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Form Use

Past Modals

possibilitymight have + p.p

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Circle the correct form ( present or past )

1. I didn’t phone because I thought you (might go / might have gone) to bed.

2. We’re not sure yet, but this (could be / could have been) the solution to our problem.

3. That car nearly hit you. You (should look / should have looked) before crossing.

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Circle the correct form ( present or past )

4. She (could win / could have won) the race, but she hurt her leg.

5. He (must be / must have been)out because he isn’t answering the phone.

6. Why not try it? I think you (might enjoy / might have enjoyed) it.

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Complete the sentences with the past form of the modals in the box + the verbs in brackets. P. 118

1. He realises now that he…………………………….…… the offer of a job. (accept)

2. I can’t find my keys. I……………………………… them at home. (leave)

3. There was no need to work late. We………………………………………….. the job this morning. (finish)

Must ( X 2 ) could should might

should have accepted

must have left

could have finished

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Complete the sentences with the past form of the modals in the box + the verbs in brackets. P. 118

4. I’m not sure, but I think I………………………………. a mistake. (make)

5. He is smiling. So he………………………………………. his exams. (pass)

Must ( X 2 ) could should might

might have made

must have passed

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