could backpack
Verbo regular: backpack - backpacked- backpacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could backpack
you could backpack
she could backpack
we could backpack
you could backpack
they could backpack 	I could be backpacking
you could be backpacking
she could be backpacking
we could be backpacking
you could be backpacking
they could be backpacking	I could have backpacked
you could have backpacked
she could have backpacked
we could have backpacked
you could have backpacked
they could have backpacked	I could have been backpacking
you could have been backpacking
she could have been backpacking
we could have been backpacking
you could have been backpacking
they could have been backpacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not backpack
you could not backpack
she could not backpack
we could not backpack
you could not backpack
they could not backpack 	I could not be backpacking
you could not be backpacking
she could not be backpacking
we could not be backpacking
you could not be backpacking
they could not be backpacking	I could not have backpacked
you could not have backpacked
she could not have backpacked
we could not have backpacked
you could not have backpacked
they could not have backpacked	I could not have been backpacking
you could not have been backpacking
she could not have been backpacking
we could not have been backpacking
you could not have been backpacking
they could not have been backpacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I backpack?
could you backpack?
could she backpack?
could we backpack?
could you backpack?
could they backpack? 	could I be backpacking?
could you be backpacking?
could she be backpacking?
could we be backpacking?
could you be backpacking?
could they be backpacking? 	could I have backpacked?
could you have backpacked?
could she have backpacked?
could we have backpacked?
could you have backpacked?
could they have backpacked? 	could I have been backpacking?
could you have been backpacking?
could she have been backpacking?
could we have been backpacking?
could you have been backpacking?
could they have been backpacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not backpack?
could you not backpack?
could she not backpack?
could we not backpack?
could you not backpack?
could they not backpack? 	could I not be backpacking?
could you not be backpacking?
could she not be backpacking?
could we not be backpacking?
could you not be backpacking?
could they not be backpacking? 	could I not have backpacked?
could you not have backpacked?
could she not have backpacked?
could we not have backpacked?
could you not have backpacked?
could they not have backpacked? 	could I not have been backpacking?
could you not have been backpacking?
could she not have been backpacking?
could we not have been backpacking?
could you not have been backpacking?
could they not have been backpacking?