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 can't undersupply you can't undersupply he can't undersupply we can't undersupply you can't undersupply they can't undersupply	I can't be undersupplying you can't be undersupplying he can't be undersupplying we can't be undersupplying you can't be undersupplying they can't be undersupplying
Perfect	V-ing perfect
I can't have undersupplied you can't have undersupplied he can't have undersupplied we can't have undersupplied you can't have undersupplied they can't have undersupplied	I can't have been undersupplying you can't have been undersupplying he can't have been undersupplying we can't have been undersupplying you can't have been undersupplying they can't 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't I undersupply? can't you undersupply? can't he undersupply? can't we undersupply? can't you undersupply? can't they undersupply?	can't I be undersupplying? can't you be undersupplying? can't he be undersupplying? can't we be undersupplying? can't you be undersupplying? can't they be undersupplying?
Perfect	V-ing perfect
can't I have undersupplied? can't you have undersupplied? can't he have undersupplied? can't we have undersupplied? can't you have undersupplied? can't they have undersupplied?	can't I have been undersupplying? can't you have been undersupplying? can't he have been undersupplying? can't we have been undersupplying? can't you have been undersupplying? can't they have been undersupplying?