English verb conjugation
CAN SKIRL

Regular verb: skirl - skirled - skirled

Affirmation

Simple form	V-ing form
I can skirl you can skirl he can skirl we can skirl you can skirl they can skirl	I can be skirling you can be skirling he can be skirling we can be skirling you can be skirling they can be skirling
Perfect	V-ing perfect
I can have skirled you can have skirled he can have skirled we can have skirled you can have skirled they can have skirled	I can have been skirling you can have been skirling he can have been skirling we can have been skirling you can have been skirling they can have been skirling

Negation

Simple form	V-ing form
I cannot skirl you cannot skirl he cannot skirl we cannot skirl you cannot skirl they cannot skirl	I cannot be skirling you cannot be skirling he cannot be skirling we cannot be skirling you cannot be skirling they cannot be skirling
Perfect	V-ing perfect
I cannot have skirled you cannot have skirled he cannot have skirled we cannot have skirled you cannot have skirled they cannot have skirled	I cannot have been skirling you cannot have been skirling he cannot have been skirling we cannot have been skirling you cannot have been skirling they cannot have been skirling

Interrogative form

Simple form	V-ing form
can I skirl? can you skirl? can he skirl? can we skirl? can you skirl? can they skirl?	can I be skirling? can you be skirling? can he be skirling? can we be skirling? can you be skirling? can they be skirling?
Perfect	V-ing perfect
can I have skirled? can you have skirled? can he have skirled? can we have skirled? can you have skirled? can they have skirled?	can I have been skirling? can you have been skirling? can he have been skirling? can we have been skirling? can you have been skirling? can they have been skirling?

Interro-negative form

Simple form	V-ing form
can I not skirl? can you not skirl? can he not skirl? can we not skirl? can you not skirl? can they not skirl?	can I not be skirling? can you not be skirling? can he not be skirling? can we not be skirling? can you not be skirling? can they not be skirling?
Perfect	V-ing perfect
can I not have skirled? can you not have skirled? can he not have skirled? can we not have skirled? can you not have skirled? can they not have skirled?	can I not have been skirling? can you not have been skirling? can he not have been skirling? can we not have been skirling? can you not have been skirling? can they not have been skirling?