could overlap
Verbo regular: overlap - overlapped- overlapped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could overlap
you could overlap
she could overlap
we could overlap
you could overlap
they could overlap 	I could be overlapping
you could be overlapping
she could be overlapping
we could be overlapping
you could be overlapping
they could be overlapping	I could have overlapped
you could have overlapped
she could have overlapped
we could have overlapped
you could have overlapped
they could have overlapped	I could have been overlapping
you could have been overlapping
she could have been overlapping
we could have been overlapping
you could have been overlapping
they could have been overlapping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not overlap
you could not overlap
she could not overlap
we could not overlap
you could not overlap
they could not overlap 	I could not be overlapping
you could not be overlapping
she could not be overlapping
we could not be overlapping
you could not be overlapping
they could not be overlapping	I could not have overlapped
you could not have overlapped
she could not have overlapped
we could not have overlapped
you could not have overlapped
they could not have overlapped	I could not have been overlapping
you could not have been overlapping
she could not have been overlapping
we could not have been overlapping
you could not have been overlapping
they could not have been overlapping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I overlap?
could you overlap?
could she overlap?
could we overlap?
could you overlap?
could they overlap? 	could I be overlapping?
could you be overlapping?
could she be overlapping?
could we be overlapping?
could you be overlapping?
could they be overlapping? 	could I have overlapped?
could you have overlapped?
could she have overlapped?
could we have overlapped?
could you have overlapped?
could they have overlapped? 	could I have been overlapping?
could you have been overlapping?
could she have been overlapping?
could we have been overlapping?
could you have been overlapping?
could they have been overlapping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not overlap?
could you not overlap?
could she not overlap?
could we not overlap?
could you not overlap?
could they not overlap? 	could I not be overlapping?
could you not be overlapping?
could she not be overlapping?
could we not be overlapping?
could you not be overlapping?
could they not be overlapping? 	could I not have overlapped?
could you not have overlapped?
could she not have overlapped?
could we not have overlapped?
could you not have overlapped?
could they not have overlapped? 	could I not have been overlapping?
could you not have been overlapping?
could she not have been overlapping?
could we not have been overlapping?
could you not have been overlapping?
could they not have been overlapping?