could frit
Regular verb: frit - frited- frited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could frit
you could frit
she could frit
we could frit
you could frit
they could frit 	I could be friting
you could be friting
she could be friting
we could be friting
you could be friting
they could be friting	I could have frited
you could have frited
she could have frited
we could have frited
you could have frited
they could have frited	I could have been friting
you could have been friting
she could have been friting
we could have been friting
you could have been friting
they could have been friting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't frit
you couldn't frit
she couldn't frit
we couldn't frit
you couldn't frit
they couldn't frit 	I couldn't be friting
you couldn't be friting
she couldn't be friting
we couldn't be friting
you couldn't be friting
they couldn't be friting	I couldn't have frited
you couldn't have frited
she couldn't have frited
we couldn't have frited
you couldn't have frited
they couldn't have frited	I couldn't have been friting
you couldn't have been friting
she couldn't have been friting
we couldn't have been friting
you couldn't have been friting
they couldn't have been friting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I frit?
could you frit?
could she frit?
could we frit?
could you frit?
could they frit? 	could I be friting?
could you be friting?
could she be friting?
could we be friting?
could you be friting?
could they be friting? 	could I have frited?
could you have frited?
could she have frited?
could we have frited?
could you have frited?
could they have frited? 	could I have been friting?
could you have been friting?
could she have been friting?
could we have been friting?
could you have been friting?
could they have been friting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I frit?
couldn't you frit?
couldn't she frit?
couldn't we frit?
couldn't you frit?
couldn't they frit? 	couldn't I be friting?
couldn't you be friting?
couldn't she be friting?
couldn't we be friting?
couldn't you be friting?
couldn't they be friting? 	couldn't I have frited?
couldn't you have frited?
couldn't she have frited?
couldn't we have frited?
couldn't you have frited?
couldn't they have frited? 	couldn't I have been friting?
couldn't you have been friting?
couldn't she have been friting?
couldn't we have been friting?
couldn't you have been friting?
couldn't they have been friting?