Modal Theory
What is (are) the use(s) of "need to"?
necessity/obligation
In the case of fire, we ______ exit the building using the stairs.
must, have to, need to
We missed the plane because we stopped for coffee. We ________ left our house earlier.
should have, ought to have
It’s possible that Jane will visit Switzerland next year. (COULD)
Jane could visit Switzerland next year.
What are the colors of the UK flag?
red, white, blue
What are seven modal verbs?
may, should, can, be able to, could, might, ought to, need to, have to, must, would, will
The restaurant is only a 15 minute walk away so we _________ take the car. Also, there's a festival on the restaurant's street so we _______ park there anyway.
don't have to, needn't
can't
I didn't see her at school yesterday so she ________ left early. I _________ texted her to find out where she was but I forgot.
could/may/might have
could/should have
I’m sure they’ll be home by now.
They ....
They must be home by now.
Which countries border the U.S. on the north and south?
Canada and Mexico
Of the following modals, which can indicate prohibition? There may be more than one.
can't, mustn't, needn't, don't have to, don't need to
Which of these modals can indicate deduction?
can't, mustn't
can't
He won the race so he _______ be very fast. Otherwise, the other runners ______ just be very slow.
must
may, might, could
She ____________ left her phone at home.
Now, she doesn't know how to get to the restaurant. She usually doesn't forget her phone, so its battery ________ died.
She __________ come to the restuarant with me.
shouldn't have
must have
should/could have
It isn’t necessary for you to take a jacket.
You…
You needn't / don't need to / don't have to take a jacket.
What is the capital of the U.S.?
Washington, D.C.
She could run a mile in eight minutes when she was younger.
You could have come with me to the race.
What is the difference in meaning between these two?
The first is talking about a past ability while the second refers to something that was possible in the past but didn't occur.
______ you help me to bake a cake today?
Sure! I ______ look for a recipe if you want.
Perfect! We _____ not have all the ingredients but I ______ go to the store.
Can/could
can
may, might
can
He only likes comedy movies so he _________ enjoyed Oppenheimer.
He _________ gone to see Barbie instead.
I think that he wanted to see Barbie but the rest of his family wanted to see Oppenheimer. He __________ done what everyone else was doing.
can't have
should have, ought to have
needn't have
I’m sorry that I didn’t study enough.
I…
I should have studied more.
How many stars are there in the US flag? What do they represent?
50, they represent the 50 states of the USA.
_____ I have another cup of tea?
What are all the modals that could go in this blank? To clarify, you want more tea.
What is the use of the modal in the question?
can, could, may
request
Students _______ talk when the teacher is speaking. However, there is one student that talks all the time in class. This student ______ be paying attention meanwhile. He _________ stop talking so he _______ pay closer attention and do better in class.
mustn't, can't, shouldn't
can't
should, ought to
can, is able to
Did you study for the test?
I _________ studied but I didn't. Instead, I watched a movie, which I __________ done. I _________ studied more with a friend. I guess I _________ felt pretty confident before the exam since I thought I didn't need to study. However, I failed the test, so I ________ known it that well.
should have, ought to have, could have
shouldn't have
could/may/might have
must have
can't have
We are certain that it was a disaster.
It…
It must have been a disaster.
What countries form the United Kingdom?
England, Scotland, Northern Ireland and Wales.