English verb conjugation
CAN WASSAIL

Regular verb: wassail - wassailed - wassailed

Affirmation

Simple form	V-ing form
I can wassail you can wassail he can wassail we can wassail you can wassail they can wassail	I can be wassailing you can be wassailing he can be wassailing we can be wassailing you can be wassailing they can be wassailing
Perfect	V-ing perfect
I can have wassailed you can have wassailed he can have wassailed we can have wassailed you can have wassailed they can have wassailed	I can have been wassailing you can have been wassailing he can have been wassailing we can have been wassailing you can have been wassailing they can have been wassailing

Negation

Simple form	V-ing form
I can't wassail you can't wassail he can't wassail we can't wassail you can't wassail they can't wassail	I can't be wassailing you can't be wassailing he can't be wassailing we can't be wassailing you can't be wassailing they can't be wassailing
Perfect	V-ing perfect
I can't have wassailed you can't have wassailed he can't have wassailed we can't have wassailed you can't have wassailed they can't have wassailed	I can't have been wassailing you can't have been wassailing he can't have been wassailing we can't have been wassailing you can't have been wassailing they can't have been wassailing

Interrogative form

Simple form	V-ing form
can I wassail? can you wassail? can he wassail? can we wassail? can you wassail? can they wassail?	can I be wassailing? can you be wassailing? can he be wassailing? can we be wassailing? can you be wassailing? can they be wassailing?
Perfect	V-ing perfect
can I have wassailed? can you have wassailed? can he have wassailed? can we have wassailed? can you have wassailed? can they have wassailed?	can I have been wassailing? can you have been wassailing? can he have been wassailing? can we have been wassailing? can you have been wassailing? can they have been wassailing?

Interro-negative form

Simple form	V-ing form
can't I wassail? can't you wassail? can't he wassail? can't we wassail? can't you wassail? can't they wassail?	can't I be wassailing? can't you be wassailing? can't he be wassailing? can't we be wassailing? can't you be wassailing? can't they be wassailing?
Perfect	V-ing perfect
can't I have wassailed? can't you have wassailed? can't he have wassailed? can't we have wassailed? can't you have wassailed? can't they have wassailed?	can't I have been wassailing? can't you have been wassailing? can't he have been wassailing? can't we have been wassailing? can't you have been wassailing? can't they have been wassailing?