could lift
Verbo regular: lift - lifted- lifted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could lift
you could lift
he could lift
we could lift
you could lift
they could lift 	I could be lifting
you could be lifting
he could be lifting
we could be lifting
you could be lifting
they could be lifting	I could have lifted
you could have lifted
he could have lifted
we could have lifted
you could have lifted
they could have lifted	I could have been lifting
you could have been lifting
he could have been lifting
we could have been lifting
you could have been lifting
they could have been lifting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't lift
you couldn't lift
he couldn't lift
we couldn't lift
you couldn't lift
they couldn't lift 	I couldn't be lifting
you couldn't be lifting
he couldn't be lifting
we couldn't be lifting
you couldn't be lifting
they couldn't be lifting	I couldn't have lifted
you couldn't have lifted
he couldn't have lifted
we couldn't have lifted
you couldn't have lifted
they couldn't have lifted	I couldn't have been lifting
you couldn't have been lifting
he couldn't have been lifting
we couldn't have been lifting
you couldn't have been lifting
they couldn't have been lifting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I lift?
could you lift?
could he lift?
could we lift?
could you lift?
could they lift? 	could I be lifting?
could you be lifting?
could he be lifting?
could we be lifting?
could you be lifting?
could they be lifting? 	could I have lifted?
could you have lifted?
could he have lifted?
could we have lifted?
could you have lifted?
could they have lifted? 	could I have been lifting?
could you have been lifting?
could he have been lifting?
could we have been lifting?
could you have been lifting?
could they have been lifting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I lift?
couldn't you lift?
couldn't he lift?
couldn't we lift?
couldn't you lift?
couldn't they lift? 	couldn't I be lifting?
couldn't you be lifting?
couldn't he be lifting?
couldn't we be lifting?
couldn't you be lifting?
couldn't they be lifting? 	couldn't I have lifted?
couldn't you have lifted?
couldn't he have lifted?
couldn't we have lifted?
couldn't you have lifted?
couldn't they have lifted? 	couldn't I have been lifting?
couldn't you have been lifting?
couldn't he have been lifting?
couldn't we have been lifting?
couldn't you have been lifting?
couldn't they have been lifting?