English verb conjugation
CAN CUP

Regular verb: cup - cupped - cupped

Affirmation

Simple form	V-ing form
I can cup you can cup she can cup we can cup you can cup they can cup	I can be cupping you can be cupping she can be cupping we can be cupping you can be cupping they can be cupping
Perfect	V-ing perfect
I can have cupped you can have cupped she can have cupped we can have cupped you can have cupped they can have cupped	I can have been cupping you can have been cupping she can have been cupping we can have been cupping you can have been cupping they can have been cupping

Negation

Simple form	V-ing form
I cannot cup you cannot cup she cannot cup we cannot cup you cannot cup they cannot cup	I cannot be cupping you cannot be cupping she cannot be cupping we cannot be cupping you cannot be cupping they cannot be cupping
Perfect	V-ing perfect
I cannot have cupped you cannot have cupped she cannot have cupped we cannot have cupped you cannot have cupped they cannot have cupped	I cannot have been cupping you cannot have been cupping she cannot have been cupping we cannot have been cupping you cannot have been cupping they cannot have been cupping

Interrogative form

Simple form	V-ing form
can I cup? can you cup? can she cup? can we cup? can you cup? can they cup?	can I be cupping? can you be cupping? can she be cupping? can we be cupping? can you be cupping? can they be cupping?
Perfect	V-ing perfect
can I have cupped? can you have cupped? can she have cupped? can we have cupped? can you have cupped? can they have cupped?	can I have been cupping? can you have been cupping? can she have been cupping? can we have been cupping? can you have been cupping? can they have been cupping?

Interro-negative form

Simple form	V-ing form
can I not cup? can you not cup? can she not cup? can we not cup? can you not cup? can they not cup?	can I not be cupping? can you not be cupping? can she not be cupping? can we not be cupping? can you not be cupping? can they not be cupping?
Perfect	V-ing perfect
can I not have cupped? can you not have cupped? can she not have cupped? can we not have cupped? can you not have cupped? can they not have cupped?	can I not have been cupping? can you not have been cupping? can she not have been cupping? can we not have been cupping? can you not have been cupping? can they not have been cupping?