I can swirl you can swirl he can swirl we can swirl you can swirl they can swirl
V-ing form
I can be swirling you can be swirling he can be swirling we can be swirling you can be swirling they can be swirling
Perfect
I can have swirled you can have swirled he can have swirled we can have swirled you can have swirled they can have swirled
V-ing perfect
I can have been swirling you can have been swirling he can have been swirling we can have been swirling you can have been swirling they can have been swirling
Negation
Simple form
I cannot swirl you cannot swirl he cannot swirl we cannot swirl you cannot swirl they cannot swirl
V-ing form
I cannot be swirling you cannot be swirling he cannot be swirling we cannot be swirling you cannot be swirling they cannot be swirling
Perfect
I cannot have swirled you cannot have swirled he cannot have swirled we cannot have swirled you cannot have swirled they cannot have swirled
V-ing perfect
I cannot have been swirling you cannot have been swirling he cannot have been swirling we cannot have been swirling you cannot have been swirling they cannot have been swirling
Interrogative form
Simple form
can I swirl? can you swirl? can he swirl? can we swirl? can you swirl? can they swirl?
V-ing form
can I be swirling? can you be swirling? can he be swirling? can we be swirling? can you be swirling? can they be swirling?
Perfect
can I have swirled? can you have swirled? can he have swirled? can we have swirled? can you have swirled? can they have swirled?
V-ing perfect
can I have been swirling? can you have been swirling? can he have been swirling? can we have been swirling? can you have been swirling? can they have been swirling?
Interro-negative form
Simple form
can I not swirl? can you not swirl? can he not swirl? can we not swirl? can you not swirl? can they not swirl?
V-ing form
can I not be swirling? can you not be swirling? can he not be swirling? can we not be swirling? can you not be swirling? can they not be swirling?
Perfect
can I not have swirled? can you not have swirled? can he not have swirled? can we not have swirled? can you not have swirled? can they not have swirled?
V-ing perfect
can I not have been swirling? can you not have been swirling? can he not have been swirling? can we not have been swirling? can you not have been swirling? can they not have been swirling?