could redouble
Verbo regular: redouble - redoubled- redoubled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could redouble
you could redouble
he could redouble
we could redouble
you could redouble
they could redouble 	I could be redoubling
you could be redoubling
he could be redoubling
we could be redoubling
you could be redoubling
they could be redoubling	I could have redoubled
you could have redoubled
he could have redoubled
we could have redoubled
you could have redoubled
they could have redoubled	I could have been redoubling
you could have been redoubling
he could have been redoubling
we could have been redoubling
you could have been redoubling
they could have been redoubling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't redouble
you couldn't redouble
he couldn't redouble
we couldn't redouble
you couldn't redouble
they couldn't redouble 	I couldn't be redoubling
you couldn't be redoubling
he couldn't be redoubling
we couldn't be redoubling
you couldn't be redoubling
they couldn't be redoubling	I couldn't have redoubled
you couldn't have redoubled
he couldn't have redoubled
we couldn't have redoubled
you couldn't have redoubled
they couldn't have redoubled	I couldn't have been redoubling
you couldn't have been redoubling
he couldn't have been redoubling
we couldn't have been redoubling
you couldn't have been redoubling
they couldn't have been redoubling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I redouble?
could you redouble?
could he redouble?
could we redouble?
could you redouble?
could they redouble? 	could I be redoubling?
could you be redoubling?
could he be redoubling?
could we be redoubling?
could you be redoubling?
could they be redoubling? 	could I have redoubled?
could you have redoubled?
could he have redoubled?
could we have redoubled?
could you have redoubled?
could they have redoubled? 	could I have been redoubling?
could you have been redoubling?
could he have been redoubling?
could we have been redoubling?
could you have been redoubling?
could they have been redoubling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I redouble?
couldn't you redouble?
couldn't he redouble?
couldn't we redouble?
couldn't you redouble?
couldn't they redouble? 	couldn't I be redoubling?
couldn't you be redoubling?
couldn't he be redoubling?
couldn't we be redoubling?
couldn't you be redoubling?
couldn't they be redoubling? 	couldn't I have redoubled?
couldn't you have redoubled?
couldn't he have redoubled?
couldn't we have redoubled?
couldn't you have redoubled?
couldn't they have redoubled? 	couldn't I have been redoubling?
couldn't you have been redoubling?
couldn't he have been redoubling?
couldn't we have been redoubling?
couldn't you have been redoubling?
couldn't they have been redoubling?