Match the items on the right by dragging them to the items on the left
They are coulding swim
Could!
It shoulds work
I didn't must go
Did you can see it?
I canned do it yesterday
no third-person inflexions on modal auxiliary verbs
no past inflexions on modal auxiliary verbs
questions formed by simple inversion
no meaning when standing alone
no progressive forms for modal auxiliary verbs
negatives formed with the addition of n't or not