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Degrees Of Certainty : Present Time

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monica arriola

on 26 September 2013

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Transcript of Degrees Of Certainty : Present Time

Degrees Of Certainty : Present Time
refers to how sure we are, what we think the chances are, that something is true
Present Time
Past Time
100% sure
95% Sure
50% Sure
or less
MUST expresses a strong degree of certainty about a present situation
MAY, MIGHT AND COULD express a weak degree of certainty
-Why the beaver is making holes in the ground?
100% sure
He is trying to stop the truck.
95% sure
He must be hungry,
50 % sure or less
He might be be playing.
(could, may be)

Couldn't and
can't expresses that the speaker believe that something is impossible.
100% sure
Sussy isn't playing.
99% sure
Tom couldn't be playing a sport.
95% sure
Tom and Sussy must not be tired.
50 % sure
or less
Tom may not be boring.
Why wasn't the tooth paste in his place?
100% sure :
He was singing to the tooth brush.
95 % sure:
He must have been bored
50% sure or less :
He could have been playing with the soap.
( might have been, could have been)
Why didn't the tooth paste ask her to go out?
100% sure
: He wasn't ready to ask her directly.
95% sure
: He couldn't have been without nervousness.
50%sure or less:
He may not have been in love.
( might have been, could have been)
Future Time
100% sure :

Tom will do well on the game.
90% sure:
Tom should do well on the game because he practices during the day.
50%sure or less :
Tom may do well on the game because he has a positive actitude.
Progressive Forms of Modals
modal + be+ING
Maria is not in her house. Maria may be studying for the test in the library.
I called Maria last night, but she didn't answer the phone. Maria might have been sleeping.
modal+have been+ING
Can & Could
Bernard is a bear. He can run fast.
Bernard can buy another machine.
Bernard can fix the machine.
Bernard can't use the machine.
Bernard could practice, but he couldn't because he is lazy.
Would and Used to in the Past

When I was one year old, my mom would give me many toys.

I used to go to french classes
I used to have glasses.
I would rather study for my test than going out my friends.
negative form: Would rather+not
How much did you got in your math test?
- I rather no tell you.
Past Form:
would rather+ have+ PP
The dinner was okay, but i would rather go to a elegant restaurant.
Progressive Form: Would rather+be+ING
id' rather be drawing something on an art studio than be listening to news.
Is followed by the phrasal modals
Susan will be able to practice the with you tomorrow at night.
You will have to call her after going to her house.

Andrea isn't going to be able to go to the movies with her friends.
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