could marvel
Verbo regular: marvel - marvelled- marvelled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could marvel
you could marvel
he could marvel
we could marvel
you could marvel
they could marvel 	I could be marvelling
you could be marvelling
he could be marvelling
we could be marvelling
you could be marvelling
they could be marvelling	I could have marvelled
you could have marvelled
he could have marvelled
we could have marvelled
you could have marvelled
they could have marvelled	I could have been marvelling
you could have been marvelling
he could have been marvelling
we could have been marvelling
you could have been marvelling
they could have been marvelling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't marvel
you couldn't marvel
he couldn't marvel
we couldn't marvel
you couldn't marvel
they couldn't marvel 	I couldn't be marvelling
you couldn't be marvelling
he couldn't be marvelling
we couldn't be marvelling
you couldn't be marvelling
they couldn't be marvelling	I couldn't have marvelled
you couldn't have marvelled
he couldn't have marvelled
we couldn't have marvelled
you couldn't have marvelled
they couldn't have marvelled	I couldn't have been marvelling
you couldn't have been marvelling
he couldn't have been marvelling
we couldn't have been marvelling
you couldn't have been marvelling
they couldn't have been marvelling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I marvel?
could you marvel?
could he marvel?
could we marvel?
could you marvel?
could they marvel? 	could I be marvelling?
could you be marvelling?
could he be marvelling?
could we be marvelling?
could you be marvelling?
could they be marvelling? 	could I have marvelled?
could you have marvelled?
could he have marvelled?
could we have marvelled?
could you have marvelled?
could they have marvelled? 	could I have been marvelling?
could you have been marvelling?
could he have been marvelling?
could we have been marvelling?
could you have been marvelling?
could they have been marvelling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I marvel?
couldn't you marvel?
couldn't he marvel?
couldn't we marvel?
couldn't you marvel?
couldn't they marvel? 	couldn't I be marvelling?
couldn't you be marvelling?
couldn't he be marvelling?
couldn't we be marvelling?
couldn't you be marvelling?
couldn't they be marvelling? 	couldn't I have marvelled?
couldn't you have marvelled?
couldn't he have marvelled?
couldn't we have marvelled?
couldn't you have marvelled?
couldn't they have marvelled? 	couldn't I have been marvelling?
couldn't you have been marvelling?
couldn't he have been marvelling?
couldn't we have been marvelling?
couldn't you have been marvelling?
couldn't they have been marvelling?