could deconcentrate
Verbo regular: deconcentrate - deconcentrated- deconcentrated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could deconcentrate
you could deconcentrate
she could deconcentrate
we could deconcentrate
you could deconcentrate
they could deconcentrate 	I could be deconcentrating
you could be deconcentrating
she could be deconcentrating
we could be deconcentrating
you could be deconcentrating
they could be deconcentrating	I could have deconcentrated
you could have deconcentrated
she could have deconcentrated
we could have deconcentrated
you could have deconcentrated
they could have deconcentrated	I could have been deconcentrating
you could have been deconcentrating
she could have been deconcentrating
we could have been deconcentrating
you could have been deconcentrating
they could have been deconcentrating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not deconcentrate
you could not deconcentrate
she could not deconcentrate
we could not deconcentrate
you could not deconcentrate
they could not deconcentrate 	I could not be deconcentrating
you could not be deconcentrating
she could not be deconcentrating
we could not be deconcentrating
you could not be deconcentrating
they could not be deconcentrating	I could not have deconcentrated
you could not have deconcentrated
she could not have deconcentrated
we could not have deconcentrated
you could not have deconcentrated
they could not have deconcentrated	I could not have been deconcentrating
you could not have been deconcentrating
she could not have been deconcentrating
we could not have been deconcentrating
you could not have been deconcentrating
they could not have been deconcentrating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I deconcentrate?
could you deconcentrate?
could she deconcentrate?
could we deconcentrate?
could you deconcentrate?
could they deconcentrate? 	could I be deconcentrating?
could you be deconcentrating?
could she be deconcentrating?
could we be deconcentrating?
could you be deconcentrating?
could they be deconcentrating? 	could I have deconcentrated?
could you have deconcentrated?
could she have deconcentrated?
could we have deconcentrated?
could you have deconcentrated?
could they have deconcentrated? 	could I have been deconcentrating?
could you have been deconcentrating?
could she have been deconcentrating?
could we have been deconcentrating?
could you have been deconcentrating?
could they have been deconcentrating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not deconcentrate?
could you not deconcentrate?
could she not deconcentrate?
could we not deconcentrate?
could you not deconcentrate?
could they not deconcentrate? 	could I not be deconcentrating?
could you not be deconcentrating?
could she not be deconcentrating?
could we not be deconcentrating?
could you not be deconcentrating?
could they not be deconcentrating? 	could I not have deconcentrated?
could you not have deconcentrated?
could she not have deconcentrated?
could we not have deconcentrated?
could you not have deconcentrated?
could they not have deconcentrated? 	could I not have been deconcentrating?
could you not have been deconcentrating?
could she not have been deconcentrating?
could we not have been deconcentrating?
could you not have been deconcentrating?
could they not have been deconcentrating?