could amass
Verbo regular: amass - amassed- amassed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could amass
you could amass
she could amass
we could amass
you could amass
they could amass 	I could be amassing
you could be amassing
she could be amassing
we could be amassing
you could be amassing
they could be amassing	I could have amassed
you could have amassed
she could have amassed
we could have amassed
you could have amassed
they could have amassed	I could have been amassing
you could have been amassing
she could have been amassing
we could have been amassing
you could have been amassing
they could have been amassing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not amass
you could not amass
she could not amass
we could not amass
you could not amass
they could not amass 	I could not be amassing
you could not be amassing
she could not be amassing
we could not be amassing
you could not be amassing
they could not be amassing	I could not have amassed
you could not have amassed
she could not have amassed
we could not have amassed
you could not have amassed
they could not have amassed	I could not have been amassing
you could not have been amassing
she could not have been amassing
we could not have been amassing
you could not have been amassing
they could not have been amassing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I amass?
could you amass?
could she amass?
could we amass?
could you amass?
could they amass? 	could I be amassing?
could you be amassing?
could she be amassing?
could we be amassing?
could you be amassing?
could they be amassing? 	could I have amassed?
could you have amassed?
could she have amassed?
could we have amassed?
could you have amassed?
could they have amassed? 	could I have been amassing?
could you have been amassing?
could she have been amassing?
could we have been amassing?
could you have been amassing?
could they have been amassing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not amass?
could you not amass?
could she not amass?
could we not amass?
could you not amass?
could they not amass? 	could I not be amassing?
could you not be amassing?
could she not be amassing?
could we not be amassing?
could you not be amassing?
could they not be amassing? 	could I not have amassed?
could you not have amassed?
could she not have amassed?
could we not have amassed?
could you not have amassed?
could they not have amassed? 	could I not have been amassing?
could you not have been amassing?
could she not have been amassing?
could we not have been amassing?
could you not have been amassing?
could they not have been amassing?