English verb conjugation
CAN SUP

Regular verb: sup - supped - supped

Affirmation

Simple form	V-ing form
I can sup you can sup she can sup we can sup you can sup they can sup	I can be supping you can be supping she can be supping we can be supping you can be supping they can be supping
Perfect	V-ing perfect
I can have supped you can have supped she can have supped we can have supped you can have supped they can have supped	I can have been supping you can have been supping she can have been supping we can have been supping you can have been supping they can have been supping

Negation

Simple form	V-ing form
I can't sup you can't sup she can't sup we can't sup you can't sup they can't sup	I can't be supping you can't be supping she can't be supping we can't be supping you can't be supping they can't be supping
Perfect	V-ing perfect
I can't have supped you can't have supped she can't have supped we can't have supped you can't have supped they can't have supped	I can't have been supping you can't have been supping she can't have been supping we can't have been supping you can't have been supping they can't have been supping

Interrogative form

Simple form	V-ing form
can I sup? can you sup? can she sup? can we sup? can you sup? can they sup?	can I be supping? can you be supping? can she be supping? can we be supping? can you be supping? can they be supping?
Perfect	V-ing perfect
can I have supped? can you have supped? can she have supped? can we have supped? can you have supped? can they have supped?	can I have been supping? can you have been supping? can she have been supping? can we have been supping? can you have been supping? can they have been supping?

Interro-negative form

Simple form	V-ing form
can't I sup? can't you sup? can't she sup? can't we sup? can't you sup? can't they sup?	can't I be supping? can't you be supping? can't she be supping? can't we be supping? can't you be supping? can't they be supping?
Perfect	V-ing perfect
can't I have supped? can't you have supped? can't she have supped? can't we have supped? can't you have supped? can't they have supped?	can't I have been supping? can't you have been supping? can't she have been supping? can't we have been supping? can't you have been supping? can't they have been supping?