# modals of deduction

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### MODALS OF DEDUCTION:

MODALS OF DEDUCTION MUST - MAY - MIGHT - COULD- CAN´T

### PowerPoint Presentation:

MODALS OF DEDUCTION We use these modals to say how sure we are about something, based on the information we have.

### PowerPoint Presentation:

MODALS OF DEDUCTION When you are sure something is true MUST EXAMPLES: They must be out. The lights are off. She must have a lot of money. She drives a Ferrari. He must be crazy. He’s going to marry someone he met a month ago!

### PowerPoint Presentation:

MODALS OF DEDUCTION When you think something is possibly true MAY/MIGHT/COULD EXAMPLES: - Where’s John? - I don’t know exactly.He might / may/could be at home. He hasn’t written. He may/might/ could not have my address.

### PowerPoint Presentation:

MODALS OF DEDUCTION They can normally be used interchangeably, although might/could may suggest a smaller chance of something happening. Compare the following: I may go into town tomorrow for the Christmas sales. And James might/could come with me!

### PowerPoint Presentation:

MODALS OF DEDUCTION When you are sure something is impossible CAN’T EXAMPLES: The teacher can’t be away. Her car is outside the office. The new footballer looks very young. He can’t be over 17. He can’t be ill. I saw him at the gym.

### PowerPoint Presentation:

MODALS OF DEDUCTION Examples 1.They _________be very happy-they’ve just got married. 2.He_______be the new Major-he´s too young, only 21! 3.That ______ be the same boy-he looks completely different. 4.I don´t know where Jane is. She______be at the gym.She sometimes goes there after work. must can’t might can’t

### PowerPoint Presentation:

MODALS OF DEDUCTION TO SUM UP When you are sure something is true: When you think something is impossible: When you are sure something is possible: I don’t know exactly where he is.He might / may/could be at home. He can’t be ill. I saw him at the gym. MUST MAY/ MIGHT/COULD CAN’T

### MODALS OF DEDUCTION:

MODALS OF DEDUCTION Click here to do some exercises. Remember to submit (enviar) the exercise