could moulder
Regular verb: moulder - mouldered- mouldered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could moulder
you could moulder
she could moulder
we could moulder
you could moulder
they could moulder 	I could be mouldering
you could be mouldering
she could be mouldering
we could be mouldering
you could be mouldering
they could be mouldering	I could have mouldered
you could have mouldered
she could have mouldered
we could have mouldered
you could have mouldered
they could have mouldered	I could have been mouldering
you could have been mouldering
she could have been mouldering
we could have been mouldering
you could have been mouldering
they could have been mouldering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not moulder
you could not moulder
she could not moulder
we could not moulder
you could not moulder
they could not moulder 	I could not be mouldering
you could not be mouldering
she could not be mouldering
we could not be mouldering
you could not be mouldering
they could not be mouldering	I could not have mouldered
you could not have mouldered
she could not have mouldered
we could not have mouldered
you could not have mouldered
they could not have mouldered	I could not have been mouldering
you could not have been mouldering
she could not have been mouldering
we could not have been mouldering
you could not have been mouldering
they could not have been mouldering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I moulder?
could you moulder?
could she moulder?
could we moulder?
could you moulder?
could they moulder? 	could I be mouldering?
could you be mouldering?
could she be mouldering?
could we be mouldering?
could you be mouldering?
could they be mouldering? 	could I have mouldered?
could you have mouldered?
could she have mouldered?
could we have mouldered?
could you have mouldered?
could they have mouldered? 	could I have been mouldering?
could you have been mouldering?
could she have been mouldering?
could we have been mouldering?
could you have been mouldering?
could they have been mouldering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not moulder?
could you not moulder?
could she not moulder?
could we not moulder?
could you not moulder?
could they not moulder? 	could I not be mouldering?
could you not be mouldering?
could she not be mouldering?
could we not be mouldering?
could you not be mouldering?
could they not be mouldering? 	could I not have mouldered?
could you not have mouldered?
could she not have mouldered?
could we not have mouldered?
could you not have mouldered?
could they not have mouldered? 	could I not have been mouldering?
could you not have been mouldering?
could she not have been mouldering?
could we not have been mouldering?
could you not have been mouldering?
could they not have been mouldering?