could vaunt
Regular verb: vaunt - vaunted- vaunted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could vaunt
you could vaunt
he could vaunt
we could vaunt
you could vaunt
they could vaunt 	I could be vaunting
you could be vaunting
he could be vaunting
we could be vaunting
you could be vaunting
they could be vaunting	I could have vaunted
you could have vaunted
he could have vaunted
we could have vaunted
you could have vaunted
they could have vaunted	I could have been vaunting
you could have been vaunting
he could have been vaunting
we could have been vaunting
you could have been vaunting
they could have been vaunting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't vaunt
you couldn't vaunt
he couldn't vaunt
we couldn't vaunt
you couldn't vaunt
they couldn't vaunt 	I couldn't be vaunting
you couldn't be vaunting
he couldn't be vaunting
we couldn't be vaunting
you couldn't be vaunting
they couldn't be vaunting	I couldn't have vaunted
you couldn't have vaunted
he couldn't have vaunted
we couldn't have vaunted
you couldn't have vaunted
they couldn't have vaunted	I couldn't have been vaunting
you couldn't have been vaunting
he couldn't have been vaunting
we couldn't have been vaunting
you couldn't have been vaunting
they couldn't have been vaunting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I vaunt?
could you vaunt?
could he vaunt?
could we vaunt?
could you vaunt?
could they vaunt? 	could I be vaunting?
could you be vaunting?
could he be vaunting?
could we be vaunting?
could you be vaunting?
could they be vaunting? 	could I have vaunted?
could you have vaunted?
could he have vaunted?
could we have vaunted?
could you have vaunted?
could they have vaunted? 	could I have been vaunting?
could you have been vaunting?
could he have been vaunting?
could we have been vaunting?
could you have been vaunting?
could they have been vaunting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I vaunt?
couldn't you vaunt?
couldn't he vaunt?
couldn't we vaunt?
couldn't you vaunt?
couldn't they vaunt? 	couldn't I be vaunting?
couldn't you be vaunting?
couldn't he be vaunting?
couldn't we be vaunting?
couldn't you be vaunting?
couldn't they be vaunting? 	couldn't I have vaunted?
couldn't you have vaunted?
couldn't he have vaunted?
couldn't we have vaunted?
couldn't you have vaunted?
couldn't they have vaunted? 	couldn't I have been vaunting?
couldn't you have been vaunting?
couldn't he have been vaunting?
couldn't we have been vaunting?
couldn't you have been vaunting?
couldn't they have been vaunting?