2BACSMA / 2BACSMB1 / 2BACSMB2
UNIT 9 FUNCTIONS : EXPRESSING CERTAINTY AND UNCERTAINTY
*CERTAINTY is the state of being sure about something. It’s when you have no doubt about it.
*UNCERTAINTY is the antonym of certainty. It is when you are unsure or doubtful about something.
CERTAINTY UNCERTAINTY
• ….undoubtedly ….
• It is crystal clear …
• No one can deny …
• … will not be / won’t be …
• I’m absolutely sure / certain …
• … certainly …
• … must …
• Yes , definitely. * No , definitely not.
• Yes , certainly. * No , certainly not.
• Yes , of course . * No , absolutely not.
• Surely .
• I doubt / think / guess …
• … may / can + verb
• … probably …
• It’s possible …
• I’m not really sure .
• It’s doubtful .
• It could happen …
EXAMPLES :
*Future cars will probably use nuclear power .
*I guess computers will replace teachers in a few years time.
*The problem of illiteracy will undoubtedly be solved if drastic measures are taken.
*A : Humans will be able to live on the moon in 25 years.
B : It’s doubtful that it will happen.
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Respond to the following by expressing certainty or uncertainty.
1.Do you think there will be a third world war ?
2. Do you think you will return to Morocco after you finish your studies abroad ?