English verb conjugation
CAN LICENSE

Regular verb: license - licensed - licensed

Affirmation

Simple form	V-ing form
I can license you can license he can license we can license you can license they can license	I can be licensing you can be licensing he can be licensing we can be licensing you can be licensing they can be licensing
Perfect	V-ing perfect
I can have licensed you can have licensed he can have licensed we can have licensed you can have licensed they can have licensed	I can have been licensing you can have been licensing he can have been licensing we can have been licensing you can have been licensing they can have been licensing

Negation

Simple form	V-ing form
I can't license you can't license he can't license we can't license you can't license they can't license	I can't be licensing you can't be licensing he can't be licensing we can't be licensing you can't be licensing they can't be licensing
Perfect	V-ing perfect
I can't have licensed you can't have licensed he can't have licensed we can't have licensed you can't have licensed they can't have licensed	I can't have been licensing you can't have been licensing he can't have been licensing we can't have been licensing you can't have been licensing they can't have been licensing

Interrogative form

Simple form	V-ing form
can I license? can you license? can he license? can we license? can you license? can they license?	can I be licensing? can you be licensing? can he be licensing? can we be licensing? can you be licensing? can they be licensing?
Perfect	V-ing perfect
can I have licensed? can you have licensed? can he have licensed? can we have licensed? can you have licensed? can they have licensed?	can I have been licensing? can you have been licensing? can he have been licensing? can we have been licensing? can you have been licensing? can they have been licensing?

Interro-negative form

Simple form	V-ing form
can't I license? can't you license? can't he license? can't we license? can't you license? can't they license?	can't I be licensing? can't you be licensing? can't he be licensing? can't we be licensing? can't you be licensing? can't they be licensing?
Perfect	V-ing perfect
can't I have licensed? can't you have licensed? can't he have licensed? can't we have licensed? can't you have licensed? can't they have licensed?	can't I have been licensing? can't you have been licensing? can't he have been licensing? can't we have been licensing? can't you have been licensing? can't they have been licensing?