could betroth
Regular verb: betroth - betrothed- betrothed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could betroth
you could betroth
he could betroth
we could betroth
you could betroth
they could betroth 	I could be betrothing
you could be betrothing
he could be betrothing
we could be betrothing
you could be betrothing
they could be betrothing	I could have betrothed
you could have betrothed
he could have betrothed
we could have betrothed
you could have betrothed
they could have betrothed	I could have been betrothing
you could have been betrothing
he could have been betrothing
we could have been betrothing
you could have been betrothing
they could have been betrothing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't betroth
you couldn't betroth
he couldn't betroth
we couldn't betroth
you couldn't betroth
they couldn't betroth 	I couldn't be betrothing
you couldn't be betrothing
he couldn't be betrothing
we couldn't be betrothing
you couldn't be betrothing
they couldn't be betrothing	I couldn't have betrothed
you couldn't have betrothed
he couldn't have betrothed
we couldn't have betrothed
you couldn't have betrothed
they couldn't have betrothed	I couldn't have been betrothing
you couldn't have been betrothing
he couldn't have been betrothing
we couldn't have been betrothing
you couldn't have been betrothing
they couldn't have been betrothing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I betroth?
could you betroth?
could he betroth?
could we betroth?
could you betroth?
could they betroth? 	could I be betrothing?
could you be betrothing?
could he be betrothing?
could we be betrothing?
could you be betrothing?
could they be betrothing? 	could I have betrothed?
could you have betrothed?
could he have betrothed?
could we have betrothed?
could you have betrothed?
could they have betrothed? 	could I have been betrothing?
could you have been betrothing?
could he have been betrothing?
could we have been betrothing?
could you have been betrothing?
could they have been betrothing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I betroth?
couldn't you betroth?
couldn't he betroth?
couldn't we betroth?
couldn't you betroth?
couldn't they betroth? 	couldn't I be betrothing?
couldn't you be betrothing?
couldn't he be betrothing?
couldn't we be betrothing?
couldn't you be betrothing?
couldn't they be betrothing? 	couldn't I have betrothed?
couldn't you have betrothed?
couldn't he have betrothed?
couldn't we have betrothed?
couldn't you have betrothed?
couldn't they have betrothed? 	couldn't I have been betrothing?
couldn't you have been betrothing?
couldn't he have been betrothing?
couldn't we have been betrothing?
couldn't you have been betrothing?
couldn't they have been betrothing?