English verb conjugation
CAN TOENAIL

Regular verb: toenail - toenailed - toenailed

Affirmation

Simple form	V-ing form
I can toenail you can toenail he can toenail we can toenail you can toenail they can toenail	I can be toenailing you can be toenailing he can be toenailing we can be toenailing you can be toenailing they can be toenailing
Perfect	V-ing perfect
I can have toenailed you can have toenailed he can have toenailed we can have toenailed you can have toenailed they can have toenailed	I can have been toenailing you can have been toenailing he can have been toenailing we can have been toenailing you can have been toenailing they can have been toenailing

Negation

Simple form	V-ing form
I can't toenail you can't toenail he can't toenail we can't toenail you can't toenail they can't toenail	I can't be toenailing you can't be toenailing he can't be toenailing we can't be toenailing you can't be toenailing they can't be toenailing
Perfect	V-ing perfect
I can't have toenailed you can't have toenailed he can't have toenailed we can't have toenailed you can't have toenailed they can't have toenailed	I can't have been toenailing you can't have been toenailing he can't have been toenailing we can't have been toenailing you can't have been toenailing they can't have been toenailing

Interrogative form

Simple form	V-ing form
can I toenail? can you toenail? can he toenail? can we toenail? can you toenail? can they toenail?	can I be toenailing? can you be toenailing? can he be toenailing? can we be toenailing? can you be toenailing? can they be toenailing?
Perfect	V-ing perfect
can I have toenailed? can you have toenailed? can he have toenailed? can we have toenailed? can you have toenailed? can they have toenailed?	can I have been toenailing? can you have been toenailing? can he have been toenailing? can we have been toenailing? can you have been toenailing? can they have been toenailing?

Interro-negative form

Simple form	V-ing form
can't I toenail? can't you toenail? can't he toenail? can't we toenail? can't you toenail? can't they toenail?	can't I be toenailing? can't you be toenailing? can't he be toenailing? can't we be toenailing? can't you be toenailing? can't they be toenailing?
Perfect	V-ing perfect
can't I have toenailed? can't you have toenailed? can't he have toenailed? can't we have toenailed? can't you have toenailed? can't they have toenailed?	can't I have been toenailing? can't you have been toenailing? can't he have been toenailing? can't we have been toenailing? can't you have been toenailing? can't they have been toenailing?