could thieve
Verbo regular: thieve - thieved- thieved

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could thieve
you could thieve
he could thieve
we could thieve
you could thieve
they could thieve 	I could be thieving
you could be thieving
he could be thieving
we could be thieving
you could be thieving
they could be thieving	I could have thieved
you could have thieved
he could have thieved
we could have thieved
you could have thieved
they could have thieved	I could have been thieving
you could have been thieving
he could have been thieving
we could have been thieving
you could have been thieving
they could have been thieving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not thieve
you could not thieve
he could not thieve
we could not thieve
you could not thieve
they could not thieve 	I could not be thieving
you could not be thieving
he could not be thieving
we could not be thieving
you could not be thieving
they could not be thieving	I could not have thieved
you could not have thieved
he could not have thieved
we could not have thieved
you could not have thieved
they could not have thieved	I could not have been thieving
you could not have been thieving
he could not have been thieving
we could not have been thieving
you could not have been thieving
they could not have been thieving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I thieve?
could you thieve?
could he thieve?
could we thieve?
could you thieve?
could they thieve? 	could I be thieving?
could you be thieving?
could he be thieving?
could we be thieving?
could you be thieving?
could they be thieving? 	could I have thieved?
could you have thieved?
could he have thieved?
could we have thieved?
could you have thieved?
could they have thieved? 	could I have been thieving?
could you have been thieving?
could he have been thieving?
could we have been thieving?
could you have been thieving?
could they have been thieving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not thieve?
could you not thieve?
could he not thieve?
could we not thieve?
could you not thieve?
could they not thieve? 	could I not be thieving?
could you not be thieving?
could he not be thieving?
could we not be thieving?
could you not be thieving?
could they not be thieving? 	could I not have thieved?
could you not have thieved?
could he not have thieved?
could we not have thieved?
could you not have thieved?
could they not have thieved? 	could I not have been thieving?
could you not have been thieving?
could he not have been thieving?
could we not have been thieving?
could you not have been thieving?
could they not have been thieving?