English verb conjugation
CAN UNDERSUPPLY

Regular verb: undersupply - undersupplied - undersupplied

Affirmation

Simple form	V-ing form
I can undersupply you can undersupply he can undersupply we can undersupply you can undersupply they can undersupply	I can be undersupplying you can be undersupplying he can be undersupplying we can be undersupplying you can be undersupplying they can be undersupplying
Perfect	V-ing perfect
I can have undersupplied you can have undersupplied he can have undersupplied we can have undersupplied you can have undersupplied they can have undersupplied	I can have been undersupplying you can have been undersupplying he can have been undersupplying we can have been undersupplying you can have been undersupplying they can have been undersupplying

Negation

Simple form	V-ing form
I cannot undersupply you cannot undersupply he cannot undersupply we cannot undersupply you cannot undersupply they cannot undersupply	I cannot be undersupplying you cannot be undersupplying he cannot be undersupplying we cannot be undersupplying you cannot be undersupplying they cannot be undersupplying
Perfect	V-ing perfect
I cannot have undersupplied you cannot have undersupplied he cannot have undersupplied we cannot have undersupplied you cannot have undersupplied they cannot have undersupplied	I cannot have been undersupplying you cannot have been undersupplying he cannot have been undersupplying we cannot have been undersupplying you cannot have been undersupplying they cannot have been undersupplying

Interrogative form

Simple form	V-ing form
can I undersupply? can you undersupply? can he undersupply? can we undersupply? can you undersupply? can they undersupply?	can I be undersupplying? can you be undersupplying? can he be undersupplying? can we be undersupplying? can you be undersupplying? can they be undersupplying?
Perfect	V-ing perfect
can I have undersupplied? can you have undersupplied? can he have undersupplied? can we have undersupplied? can you have undersupplied? can they have undersupplied?	can I have been undersupplying? can you have been undersupplying? can he have been undersupplying? can we have been undersupplying? can you have been undersupplying? can they have been undersupplying?

Interro-negative form

Simple form	V-ing form
can I not undersupply? can you not undersupply? can he not undersupply? can we not undersupply? can you not undersupply? can they not undersupply?	can I not be undersupplying? can you not be undersupplying? can he not be undersupplying? can we not be undersupplying? can you not be undersupplying? can they not be undersupplying?
Perfect	V-ing perfect
can I not have undersupplied? can you not have undersupplied? can he not have undersupplied? can we not have undersupplied? can you not have undersupplied? can they not have undersupplied?	can I not have been undersupplying? can you not have been undersupplying? can he not have been undersupplying? can we not have been undersupplying? can you not have been undersupplying? can they not have been undersupplying?