could advantage
Verbo regular: advantage - advantaged- advantaged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could advantage
you could advantage
she could advantage
we could advantage
you could advantage
they could advantage 	I could be advantaging
you could be advantaging
she could be advantaging
we could be advantaging
you could be advantaging
they could be advantaging	I could have advantaged
you could have advantaged
she could have advantaged
we could have advantaged
you could have advantaged
they could have advantaged	I could have been advantaging
you could have been advantaging
she could have been advantaging
we could have been advantaging
you could have been advantaging
they could have been advantaging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't advantage
you couldn't advantage
she couldn't advantage
we couldn't advantage
you couldn't advantage
they couldn't advantage 	I couldn't be advantaging
you couldn't be advantaging
she couldn't be advantaging
we couldn't be advantaging
you couldn't be advantaging
they couldn't be advantaging	I couldn't have advantaged
you couldn't have advantaged
she couldn't have advantaged
we couldn't have advantaged
you couldn't have advantaged
they couldn't have advantaged	I couldn't have been advantaging
you couldn't have been advantaging
she couldn't have been advantaging
we couldn't have been advantaging
you couldn't have been advantaging
they couldn't have been advantaging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I advantage?
could you advantage?
could she advantage?
could we advantage?
could you advantage?
could they advantage? 	could I be advantaging?
could you be advantaging?
could she be advantaging?
could we be advantaging?
could you be advantaging?
could they be advantaging? 	could I have advantaged?
could you have advantaged?
could she have advantaged?
could we have advantaged?
could you have advantaged?
could they have advantaged? 	could I have been advantaging?
could you have been advantaging?
could she have been advantaging?
could we have been advantaging?
could you have been advantaging?
could they have been advantaging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I advantage?
couldn't you advantage?
couldn't she advantage?
couldn't we advantage?
couldn't you advantage?
couldn't they advantage? 	couldn't I be advantaging?
couldn't you be advantaging?
couldn't she be advantaging?
couldn't we be advantaging?
couldn't you be advantaging?
couldn't they be advantaging? 	couldn't I have advantaged?
couldn't you have advantaged?
couldn't she have advantaged?
couldn't we have advantaged?
couldn't you have advantaged?
couldn't they have advantaged? 	couldn't I have been advantaging?
couldn't you have been advantaging?
couldn't she have been advantaging?
couldn't we have been advantaging?
couldn't you have been advantaging?
couldn't they have been advantaging?