could paraffin
Verbo regular: paraffin - paraffined- paraffined

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could paraffin
you could paraffin
he could paraffin
we could paraffin
you could paraffin
they could paraffin 	I could be paraffining
you could be paraffining
he could be paraffining
we could be paraffining
you could be paraffining
they could be paraffining	I could have paraffined
you could have paraffined
he could have paraffined
we could have paraffined
you could have paraffined
they could have paraffined	I could have been paraffining
you could have been paraffining
he could have been paraffining
we could have been paraffining
you could have been paraffining
they could have been paraffining	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't paraffin
you couldn't paraffin
he couldn't paraffin
we couldn't paraffin
you couldn't paraffin
they couldn't paraffin 	I couldn't be paraffining
you couldn't be paraffining
he couldn't be paraffining
we couldn't be paraffining
you couldn't be paraffining
they couldn't be paraffining	I couldn't have paraffined
you couldn't have paraffined
he couldn't have paraffined
we couldn't have paraffined
you couldn't have paraffined
they couldn't have paraffined	I couldn't have been paraffining
you couldn't have been paraffining
he couldn't have been paraffining
we couldn't have been paraffining
you couldn't have been paraffining
they couldn't have been paraffining	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I paraffin?
could you paraffin?
could he paraffin?
could we paraffin?
could you paraffin?
could they paraffin? 	could I be paraffining?
could you be paraffining?
could he be paraffining?
could we be paraffining?
could you be paraffining?
could they be paraffining? 	could I have paraffined?
could you have paraffined?
could he have paraffined?
could we have paraffined?
could you have paraffined?
could they have paraffined? 	could I have been paraffining?
could you have been paraffining?
could he have been paraffining?
could we have been paraffining?
could you have been paraffining?
could they have been paraffining? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I paraffin?
couldn't you paraffin?
couldn't he paraffin?
couldn't we paraffin?
couldn't you paraffin?
couldn't they paraffin? 	couldn't I be paraffining?
couldn't you be paraffining?
couldn't he be paraffining?
couldn't we be paraffining?
couldn't you be paraffining?
couldn't they be paraffining? 	couldn't I have paraffined?
couldn't you have paraffined?
couldn't he have paraffined?
couldn't we have paraffined?
couldn't you have paraffined?
couldn't they have paraffined? 	couldn't I have been paraffining?
couldn't you have been paraffining?
couldn't he have been paraffining?
couldn't we have been paraffining?
couldn't you have been paraffining?
couldn't they have been paraffining?