English verb conjugation
COULD SWIRL

Regular verb: swirl - swirled - swirled

Affirmation

Simple form	V-ing form
I could swirl you could swirl she could swirl we could swirl you could swirl they could swirl	I could be swirling you could be swirling she could be swirling we could be swirling you could be swirling they could be swirling
Perfect	V-ing perfect
I could have swirled you could have swirled she could have swirled we could have swirled you could have swirled they could have swirled	I could have been swirling you could have been swirling she could have been swirling we could have been swirling you could have been swirling they could have been swirling

Negation

Simple form	V-ing form
I could not swirl you could not swirl she could not swirl we could not swirl you could not swirl they could not swirl	I could not be swirling you could not be swirling she could not be swirling we could not be swirling you could not be swirling they could not be swirling
Perfect	V-ing perfect
I could not have swirled you could not have swirled she could not have swirled we could not have swirled you could not have swirled they could not have swirled	I could not have been swirling you could not have been swirling she could not have been swirling we could not have been swirling you could not have been swirling they could not have been swirling

Interrogative form

Simple form	V-ing form
could I swirl? could you swirl? could she swirl? could we swirl? could you swirl? could they swirl?	could I be swirling? could you be swirling? could she be swirling? could we be swirling? could you be swirling? could they be swirling?
Perfect	V-ing perfect
could I have swirled? could you have swirled? could she have swirled? could we have swirled? could you have swirled? could they have swirled?	could I have been swirling? could you have been swirling? could she have been swirling? could we have been swirling? could you have been swirling? could they have been swirling?

Interro-negative form

Simple form	V-ing form
could I not swirl? could you not swirl? could she not swirl? could we not swirl? could you not swirl? could they not swirl?	could I not be swirling? could you not be swirling? could she not be swirling? could we not be swirling? could you not be swirling? could they not be swirling?
Perfect	V-ing perfect
could I not have swirled? could you not have swirled? could she not have swirled? could we not have swirled? could you not have swirled? could they not have swirled?	could I not have been swirling? could you not have been swirling? could she not have been swirling? could we not have been swirling? could you not have been swirling? could they not have been swirling?