can underproduce
Verbo regular: underproduce - underproduced- underproduced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can underproduce
you can underproduce
he can underproduce
we can underproduce
you can underproduce
they can underproduce 	I can be underproducing
you can be underproducing
he can be underproducing
we can be underproducing
you can be underproducing
they can be underproducing	I can have underproduced
you can have underproduced
he 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
he can have been underproducing
we can have been underproducing
you can have been underproducing
they can have been underproducing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't underproduce
you can't underproduce
he can't underproduce
we can't underproduce
you can't underproduce
they can't underproduce 	I can't be underproducing
you can't be underproducing
he can't be underproducing
we can't be underproducing
you can't be underproducing
they can't be underproducing	I can't have underproduced
you can't have underproduced
he can't have underproduced
we can't have underproduced
you can't have underproduced
they can't have underproduced	I can't have been underproducing
you can't have been underproducing
he can't have been underproducing
we can't have been underproducing
you can't have been underproducing
they can't have been underproducing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I underproduce?
can you underproduce?
can he underproduce?
can we underproduce?
can you underproduce?
can they underproduce? 	can I be underproducing?
can you be underproducing?
can he be underproducing?
can we be underproducing?
can you be underproducing?
can they be underproducing? 	can I have underproduced?
can you have underproduced?
can he 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 he have been underproducing?
can we have been underproducing?
can you have been underproducing?
can they have been underproducing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I underproduce?
can't you underproduce?
can't he underproduce?
can't we underproduce?
can't you underproduce?
can't they underproduce? 	can't I be underproducing?
can't you be underproducing?
can't he be underproducing?
can't we be underproducing?
can't you be underproducing?
can't they be underproducing? 	can't I have underproduced?
can't you have underproduced?
can't he have underproduced?
can't we have underproduced?
can't you have underproduced?
can't they have underproduced? 	can't I have been underproducing?
can't you have been underproducing?
can't he have been underproducing?
can't we have been underproducing?
can't you have been underproducing?
can't they have been underproducing?