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AG1 UNIT 5 EXERCISE 1 DISCOVER THE GRAMMAR PAGE ...
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Vinland couldn’t have been NewFoundland.
It must not have been NewFoundland.
It can’t have been NewFoundland.
Oops!
Okay!
Continued research should get us closer to an answer.
It’s almost certain that it will.
It’s possible that it will.
Oops!
Okay!
Columbus may not have been the frst to visit the Western Hemisphere.
He might not have been the frst.
He could not have been the first.
Oops!
Okay!
How could the voyage have happened?
I’d like an explanation oF how the voyage was possible.
I’d like an explanation oF how the voyage was impossible.
Oops!
Okay!
It must have been about the year 1000 when LeiF Erickson visited the New World.
I think maybe it was about the year 1000.
I’m almost certain it was about the year 1000.
Oops!
Okay!
Individuals may have sailed From Japan to Ecuador.
It’s almost certain they did it.
It’s possible they did it.
Oops!
Okay!
The pottery evidence must mean something.
I strongly doubt it means something.
I’m almost sure it means something.
Oops!
Okay!
Other missionaries could have gone to the New World aFter Brendan’s return.
It’s possible that they went.
They had the opportunity to go, but they didn’t.
Oops!
Okay!
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