could respring
Irregular verb: respring - resprang, resprung- resprung

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could respring
you could respring
she could respring
we could respring
you could respring
they could respring 	I could be respringing
you could be respringing
she could be respringing
we could be respringing
you could be respringing
they could be respringing	I could have resprung
you could have resprung
she could have resprung
we could have resprung
you could have resprung
they could have resprung	I could have been respringing
you could have been respringing
she could have been respringing
we could have been respringing
you could have been respringing
they could have been respringing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't respring
you couldn't respring
she couldn't respring
we couldn't respring
you couldn't respring
they couldn't respring 	I couldn't be respringing
you couldn't be respringing
she couldn't be respringing
we couldn't be respringing
you couldn't be respringing
they couldn't be respringing	I couldn't have resprung
you couldn't have resprung
she couldn't have resprung
we couldn't have resprung
you couldn't have resprung
they couldn't have resprung	I couldn't have been respringing
you couldn't have been respringing
she couldn't have been respringing
we couldn't have been respringing
you couldn't have been respringing
they couldn't have been respringing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I respring?
could you respring?
could she respring?
could we respring?
could you respring?
could they respring? 	could I be respringing?
could you be respringing?
could she be respringing?
could we be respringing?
could you be respringing?
could they be respringing? 	could I have resprung?
could you have resprung?
could she have resprung?
could we have resprung?
could you have resprung?
could they have resprung? 	could I have been respringing?
could you have been respringing?
could she have been respringing?
could we have been respringing?
could you have been respringing?
could they have been respringing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I respring?
couldn't you respring?
couldn't she respring?
couldn't we respring?
couldn't you respring?
couldn't they respring? 	couldn't I be respringing?
couldn't you be respringing?
couldn't she be respringing?
couldn't we be respringing?
couldn't you be respringing?
couldn't they be respringing? 	couldn't I have resprung?
couldn't you have resprung?
couldn't she have resprung?
couldn't we have resprung?
couldn't you have resprung?
couldn't they have resprung? 	couldn't I have been respringing?
couldn't you have been respringing?
couldn't she have been respringing?
couldn't we have been respringing?
couldn't you have been respringing?
couldn't they have been respringing?