could cuirass
Verbo regular: cuirass - cuirassed- cuirassed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could cuirass
you could cuirass
he could cuirass
we could cuirass
you could cuirass
they could cuirass 	I could be cuirassing
you could be cuirassing
he could be cuirassing
we could be cuirassing
you could be cuirassing
they could be cuirassing	I could have cuirassed
you could have cuirassed
he could have cuirassed
we could have cuirassed
you could have cuirassed
they could have cuirassed	I could have been cuirassing
you could have been cuirassing
he could have been cuirassing
we could have been cuirassing
you could have been cuirassing
they could have been cuirassing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't cuirass
you couldn't cuirass
he couldn't cuirass
we couldn't cuirass
you couldn't cuirass
they couldn't cuirass 	I couldn't be cuirassing
you couldn't be cuirassing
he couldn't be cuirassing
we couldn't be cuirassing
you couldn't be cuirassing
they couldn't be cuirassing	I couldn't have cuirassed
you couldn't have cuirassed
he couldn't have cuirassed
we couldn't have cuirassed
you couldn't have cuirassed
they couldn't have cuirassed	I couldn't have been cuirassing
you couldn't have been cuirassing
he couldn't have been cuirassing
we couldn't have been cuirassing
you couldn't have been cuirassing
they couldn't have been cuirassing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I cuirass?
could you cuirass?
could he cuirass?
could we cuirass?
could you cuirass?
could they cuirass? 	could I be cuirassing?
could you be cuirassing?
could he be cuirassing?
could we be cuirassing?
could you be cuirassing?
could they be cuirassing? 	could I have cuirassed?
could you have cuirassed?
could he have cuirassed?
could we have cuirassed?
could you have cuirassed?
could they have cuirassed? 	could I have been cuirassing?
could you have been cuirassing?
could he have been cuirassing?
could we have been cuirassing?
could you have been cuirassing?
could they have been cuirassing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I cuirass?
couldn't you cuirass?
couldn't he cuirass?
couldn't we cuirass?
couldn't you cuirass?
couldn't they cuirass? 	couldn't I be cuirassing?
couldn't you be cuirassing?
couldn't he be cuirassing?
couldn't we be cuirassing?
couldn't you be cuirassing?
couldn't they be cuirassing? 	couldn't I have cuirassed?
couldn't you have cuirassed?
couldn't he have cuirassed?
couldn't we have cuirassed?
couldn't you have cuirassed?
couldn't they have cuirassed? 	couldn't I have been cuirassing?
couldn't you have been cuirassing?
couldn't he have been cuirassing?
couldn't we have been cuirassing?
couldn't you have been cuirassing?
couldn't they have been cuirassing?