could fart
Regular verb: fart - farted- farted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could fart
you could fart
she could fart
we could fart
you could fart
they could fart 	I could be farting
you could be farting
she could be farting
we could be farting
you could be farting
they could be farting	I could have farted
you could have farted
she could have farted
we could have farted
you could have farted
they could have farted	I could have been farting
you could have been farting
she could have been farting
we could have been farting
you could have been farting
they could have been farting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not fart
you could not fart
she could not fart
we could not fart
you could not fart
they could not fart 	I could not be farting
you could not be farting
she could not be farting
we could not be farting
you could not be farting
they could not be farting	I could not have farted
you could not have farted
she could not have farted
we could not have farted
you could not have farted
they could not have farted	I could not have been farting
you could not have been farting
she could not have been farting
we could not have been farting
you could not have been farting
they could not have been farting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I fart?
could you fart?
could she fart?
could we fart?
could you fart?
could they fart? 	could I be farting?
could you be farting?
could she be farting?
could we be farting?
could you be farting?
could they be farting? 	could I have farted?
could you have farted?
could she have farted?
could we have farted?
could you have farted?
could they have farted? 	could I have been farting?
could you have been farting?
could she have been farting?
could we have been farting?
could you have been farting?
could they have been farting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not fart?
could you not fart?
could she not fart?
could we not fart?
could you not fart?
could they not fart? 	could I not be farting?
could you not be farting?
could she not be farting?
could we not be farting?
could you not be farting?
could they not be farting? 	could I not have farted?
could you not have farted?
could she not have farted?
could we not have farted?
could you not have farted?
could they not have farted? 	could I not have been farting?
could you not have been farting?
could she not have been farting?
could we not have been farting?
could you not have been farting?
could they not have been farting?