could molder
Regular verb: molder - moldered- moldered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could molder
you could molder
he could molder
we could molder
you could molder
they could molder 	I could be moldering
you could be moldering
he could be moldering
we could be moldering
you could be moldering
they could be moldering	I could have moldered
you could have moldered
he could have moldered
we could have moldered
you could have moldered
they could have moldered	I could have been moldering
you could have been moldering
he could have been moldering
we could have been moldering
you could have been moldering
they could have been moldering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't molder
you couldn't molder
he couldn't molder
we couldn't molder
you couldn't molder
they couldn't molder 	I couldn't be moldering
you couldn't be moldering
he couldn't be moldering
we couldn't be moldering
you couldn't be moldering
they couldn't be moldering	I couldn't have moldered
you couldn't have moldered
he couldn't have moldered
we couldn't have moldered
you couldn't have moldered
they couldn't have moldered	I couldn't have been moldering
you couldn't have been moldering
he couldn't have been moldering
we couldn't have been moldering
you couldn't have been moldering
they couldn't have been moldering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I molder?
could you molder?
could he molder?
could we molder?
could you molder?
could they molder? 	could I be moldering?
could you be moldering?
could he be moldering?
could we be moldering?
could you be moldering?
could they be moldering? 	could I have moldered?
could you have moldered?
could he have moldered?
could we have moldered?
could you have moldered?
could they have moldered? 	could I have been moldering?
could you have been moldering?
could he have been moldering?
could we have been moldering?
could you have been moldering?
could they have been moldering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I molder?
couldn't you molder?
couldn't he molder?
couldn't we molder?
couldn't you molder?
couldn't they molder? 	couldn't I be moldering?
couldn't you be moldering?
couldn't he be moldering?
couldn't we be moldering?
couldn't you be moldering?
couldn't they be moldering? 	couldn't I have moldered?
couldn't you have moldered?
couldn't he have moldered?
couldn't we have moldered?
couldn't you have moldered?
couldn't they have moldered? 	couldn't I have been moldering?
couldn't you have been moldering?
couldn't he have been moldering?
couldn't we have been moldering?
couldn't you have been moldering?
couldn't they have been moldering?