could spoil
Verbo irregular: spoil - spoiled, spoilt- spoiled, spoilt

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could spoil
you could spoil
she could spoil
we could spoil
you could spoil
they could spoil 	I could be spoiling
you could be spoiling
she could be spoiling
we could be spoiling
you could be spoiling
they could be spoiling	I could have spoiled, spoilt
you could have spoiled, spoilt
she could have spoiled, spoilt
we could have spoiled, spoilt
you could have spoiled, spoilt
they could have spoiled, spoilt	I could have been spoiling
you could have been spoiling
she could have been spoiling
we could have been spoiling
you could have been spoiling
they could have been spoiling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't spoil
you couldn't spoil
she couldn't spoil
we couldn't spoil
you couldn't spoil
they couldn't spoil 	I couldn't be spoiling
you couldn't be spoiling
she couldn't be spoiling
we couldn't be spoiling
you couldn't be spoiling
they couldn't be spoiling	I couldn't have spoiled, spoilt
you couldn't have spoiled, spoilt
she couldn't have spoiled, spoilt
we couldn't have spoiled, spoilt
you couldn't have spoiled, spoilt
they couldn't have spoiled, spoilt	I couldn't have been spoiling
you couldn't have been spoiling
she couldn't have been spoiling
we couldn't have been spoiling
you couldn't have been spoiling
they couldn't have been spoiling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I spoil?
could you spoil?
could she spoil?
could we spoil?
could you spoil?
could they spoil? 	could I be spoiling?
could you be spoiling?
could she be spoiling?
could we be spoiling?
could you be spoiling?
could they be spoiling? 	could I have spoiled, spoilt?
could you have spoiled, spoilt?
could she have spoiled, spoilt?
could we have spoiled, spoilt?
could you have spoiled, spoilt?
could they have spoiled, spoilt? 	could I have been spoiling?
could you have been spoiling?
could she have been spoiling?
could we have been spoiling?
could you have been spoiling?
could they have been spoiling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I spoil?
couldn't you spoil?
couldn't she spoil?
couldn't we spoil?
couldn't you spoil?
couldn't they spoil? 	couldn't I be spoiling?
couldn't you be spoiling?
couldn't she be spoiling?
couldn't we be spoiling?
couldn't you be spoiling?
couldn't they be spoiling? 	couldn't I have spoiled, spoilt?
couldn't you have spoiled, spoilt?
couldn't she have spoiled, spoilt?
couldn't we have spoiled, spoilt?
couldn't you have spoiled, spoilt?
couldn't they have spoiled, spoilt? 	couldn't I have been spoiling?
couldn't you have been spoiling?
couldn't she have been spoiling?
couldn't we have been spoiling?
couldn't you have been spoiling?
couldn't they have been spoiling?