could combat
Verbo regular: combat - combated- combated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could combat
you could combat
she could combat
we could combat
you could combat
they could combat 	I could be combating
you could be combating
she could be combating
we could be combating
you could be combating
they could be combating	I could have combated
you could have combated
she could have combated
we could have combated
you could have combated
they could have combated	I could have been combating
you could have been combating
she could have been combating
we could have been combating
you could have been combating
they could have been combating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not combat
you could not combat
she could not combat
we could not combat
you could not combat
they could not combat 	I could not be combating
you could not be combating
she could not be combating
we could not be combating
you could not be combating
they could not be combating	I could not have combated
you could not have combated
she could not have combated
we could not have combated
you could not have combated
they could not have combated	I could not have been combating
you could not have been combating
she could not have been combating
we could not have been combating
you could not have been combating
they could not have been combating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I combat?
could you combat?
could she combat?
could we combat?
could you combat?
could they combat? 	could I be combating?
could you be combating?
could she be combating?
could we be combating?
could you be combating?
could they be combating? 	could I have combated?
could you have combated?
could she have combated?
could we have combated?
could you have combated?
could they have combated? 	could I have been combating?
could you have been combating?
could she have been combating?
could we have been combating?
could you have been combating?
could they have been combating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not combat?
could you not combat?
could she not combat?
could we not combat?
could you not combat?
could they not combat? 	could I not be combating?
could you not be combating?
could she not be combating?
could we not be combating?
could you not be combating?
could they not be combating? 	could I not have combated?
could you not have combated?
could she not have combated?
could we not have combated?
could you not have combated?
could they not have combated? 	could I not have been combating?
could you not have been combating?
could she not have been combating?
could we not have been combating?
could you not have been combating?
could they not have been combating?