could goof
Verbo regular: goof - goofed- goofed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could goof
you could goof
she could goof
we could goof
you could goof
they could goof 	I could be goofing
you could be goofing
she could be goofing
we could be goofing
you could be goofing
they could be goofing	I could have goofed
you could have goofed
she could have goofed
we could have goofed
you could have goofed
they could have goofed	I could have been goofing
you could have been goofing
she could have been goofing
we could have been goofing
you could have been goofing
they could have been goofing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not goof
you could not goof
she could not goof
we could not goof
you could not goof
they could not goof 	I could not be goofing
you could not be goofing
she could not be goofing
we could not be goofing
you could not be goofing
they could not be goofing	I could not have goofed
you could not have goofed
she could not have goofed
we could not have goofed
you could not have goofed
they could not have goofed	I could not have been goofing
you could not have been goofing
she could not have been goofing
we could not have been goofing
you could not have been goofing
they could not have been goofing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I goof?
could you goof?
could she goof?
could we goof?
could you goof?
could they goof? 	could I be goofing?
could you be goofing?
could she be goofing?
could we be goofing?
could you be goofing?
could they be goofing? 	could I have goofed?
could you have goofed?
could she have goofed?
could we have goofed?
could you have goofed?
could they have goofed? 	could I have been goofing?
could you have been goofing?
could she have been goofing?
could we have been goofing?
could you have been goofing?
could they have been goofing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not goof?
could you not goof?
could she not goof?
could we not goof?
could you not goof?
could they not goof? 	could I not be goofing?
could you not be goofing?
could she not be goofing?
could we not be goofing?
could you not be goofing?
could they not be goofing? 	could I not have goofed?
could you not have goofed?
could she not have goofed?
could we not have goofed?
could you not have goofed?
could they not have goofed? 	could I not have been goofing?
could you not have been goofing?
could she not have been goofing?
could we not have been goofing?
could you not have been goofing?
could they not have been goofing?