could enliven
Verbo regular: enliven - enlivened- enlivened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could enliven
you could enliven
he could enliven
we could enliven
you could enliven
they could enliven 	I could be enlivening
you could be enlivening
he could be enlivening
we could be enlivening
you could be enlivening
they could be enlivening	I could have enlivened
you could have enlivened
he could have enlivened
we could have enlivened
you could have enlivened
they could have enlivened	I could have been enlivening
you could have been enlivening
he could have been enlivening
we could have been enlivening
you could have been enlivening
they could have been enlivening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't enliven
you couldn't enliven
he couldn't enliven
we couldn't enliven
you couldn't enliven
they couldn't enliven 	I couldn't be enlivening
you couldn't be enlivening
he couldn't be enlivening
we couldn't be enlivening
you couldn't be enlivening
they couldn't be enlivening	I couldn't have enlivened
you couldn't have enlivened
he couldn't have enlivened
we couldn't have enlivened
you couldn't have enlivened
they couldn't have enlivened	I couldn't have been enlivening
you couldn't have been enlivening
he couldn't have been enlivening
we couldn't have been enlivening
you couldn't have been enlivening
they couldn't have been enlivening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I enliven?
could you enliven?
could he enliven?
could we enliven?
could you enliven?
could they enliven? 	could I be enlivening?
could you be enlivening?
could he be enlivening?
could we be enlivening?
could you be enlivening?
could they be enlivening? 	could I have enlivened?
could you have enlivened?
could he have enlivened?
could we have enlivened?
could you have enlivened?
could they have enlivened? 	could I have been enlivening?
could you have been enlivening?
could he have been enlivening?
could we have been enlivening?
could you have been enlivening?
could they have been enlivening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I enliven?
couldn't you enliven?
couldn't he enliven?
couldn't we enliven?
couldn't you enliven?
couldn't they enliven? 	couldn't I be enlivening?
couldn't you be enlivening?
couldn't he be enlivening?
couldn't we be enlivening?
couldn't you be enlivening?
couldn't they be enlivening? 	couldn't I have enlivened?
couldn't you have enlivened?
couldn't he have enlivened?
couldn't we have enlivened?
couldn't you have enlivened?
couldn't they have enlivened? 	couldn't I have been enlivening?
couldn't you have been enlivening?
couldn't he have been enlivening?
couldn't we have been enlivening?
couldn't you have been enlivening?
couldn't they have been enlivening?