English verb conjugation
CAN UNDERPRODUCE

Regular verb: underproduce - underproduced - underproduced

Affirmation

Simple form	V-ing form
I can underproduce you can underproduce she can underproduce we can underproduce you can underproduce they can underproduce	I can be underproducing you can be underproducing she can be underproducing we can be underproducing you can be underproducing they can be underproducing
Perfect	V-ing perfect
I can have underproduced you can have underproduced she can have underproduced we can have underproduced you can have underproduced they can have underproduced	I can have been underproducing you can have been underproducing she can have been underproducing we can have been underproducing you can have been underproducing they can have been underproducing

Negation

Simple form	V-ing form
I cannot underproduce you cannot underproduce she cannot underproduce we cannot underproduce you cannot underproduce they cannot underproduce	I cannot be underproducing you cannot be underproducing she cannot be underproducing we cannot be underproducing you cannot be underproducing they cannot be underproducing
Perfect	V-ing perfect
I cannot have underproduced you cannot have underproduced she cannot have underproduced we cannot have underproduced you cannot have underproduced they cannot have underproduced	I cannot have been underproducing you cannot have been underproducing she cannot have been underproducing we cannot have been underproducing you cannot have been underproducing they cannot have been underproducing

Interrogative form

Simple form	V-ing form
can I underproduce? can you underproduce? can she underproduce? can we underproduce? can you underproduce? can they underproduce?	can I be underproducing? can you be underproducing? can she be underproducing? can we be underproducing? can you be underproducing? can they be underproducing?
Perfect	V-ing perfect
can I have underproduced? can you have underproduced? can she have underproduced? can we have underproduced? can you have underproduced? can they have underproduced?	can I have been underproducing? can you have been underproducing? can she have been underproducing? can we have been underproducing? can you have been underproducing? can they have been underproducing?

Interro-negative form

Simple form	V-ing form
can I not underproduce? can you not underproduce? can she not underproduce? can we not underproduce? can you not underproduce? can they not underproduce?	can I not be underproducing? can you not be underproducing? can she not be underproducing? can we not be underproducing? can you not be underproducing? can they not be underproducing?
Perfect	V-ing perfect
can I not have underproduced? can you not have underproduced? can she not have underproduced? can we not have underproduced? can you not have underproduced? can they not have underproduced?	can I not have been underproducing? can you not have been underproducing? can she not have been underproducing? can we not have been underproducing? can you not have been underproducing? can they not have been underproducing?