could amplify
Verbo regular: amplify - amplified- amplified

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could amplify
you could amplify
he could amplify
we could amplify
you could amplify
they could amplify 	I could be amplifying
you could be amplifying
he could be amplifying
we could be amplifying
you could be amplifying
they could be amplifying	I could have amplified
you could have amplified
he could have amplified
we could have amplified
you could have amplified
they could have amplified	I could have been amplifying
you could have been amplifying
he could have been amplifying
we could have been amplifying
you could have been amplifying
they could have been amplifying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not amplify
you could not amplify
he could not amplify
we could not amplify
you could not amplify
they could not amplify 	I could not be amplifying
you could not be amplifying
he could not be amplifying
we could not be amplifying
you could not be amplifying
they could not be amplifying	I could not have amplified
you could not have amplified
he could not have amplified
we could not have amplified
you could not have amplified
they could not have amplified	I could not have been amplifying
you could not have been amplifying
he could not have been amplifying
we could not have been amplifying
you could not have been amplifying
they could not have been amplifying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I amplify?
could you amplify?
could he amplify?
could we amplify?
could you amplify?
could they amplify? 	could I be amplifying?
could you be amplifying?
could he be amplifying?
could we be amplifying?
could you be amplifying?
could they be amplifying? 	could I have amplified?
could you have amplified?
could he have amplified?
could we have amplified?
could you have amplified?
could they have amplified? 	could I have been amplifying?
could you have been amplifying?
could he have been amplifying?
could we have been amplifying?
could you have been amplifying?
could they have been amplifying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not amplify?
could you not amplify?
could he not amplify?
could we not amplify?
could you not amplify?
could they not amplify? 	could I not be amplifying?
could you not be amplifying?
could he not be amplifying?
could we not be amplifying?
could you not be amplifying?
could they not be amplifying? 	could I not have amplified?
could you not have amplified?
could he not have amplified?
could we not have amplified?
could you not have amplified?
could they not have amplified? 	could I not have been amplifying?
could you not have been amplifying?
could he not have been amplifying?
could we not have been amplifying?
could you not have been amplifying?
could they not have been amplifying?