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

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could respring
you could respring
he could respring
we could respring
you could respring
they could respring 	I could be respringing
you could be respringing
he could be respringing
we could be respringing
you could be respringing
they could be respringing	I could have resprung
you could have resprung
he 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
he 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 could not respring
you could not respring
he could not respring
we could not respring
you could not respring
they could not respring 	I could not be respringing
you could not be respringing
he could not be respringing
we could not be respringing
you could not be respringing
they could not be respringing	I could not have resprung
you could not have resprung
he could not have resprung
we could not have resprung
you could not have resprung
they could not have resprung	I could not have been respringing
you could not have been respringing
he could not have been respringing
we could not have been respringing
you could not have been respringing
they could not have been respringing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I respring?
could you respring?
could he respring?
could we respring?
could you respring?
could they respring? 	could I be respringing?
could you be respringing?
could he be respringing?
could we be respringing?
could you be respringing?
could they be respringing? 	could I have resprung?
could you have resprung?
could he 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 he 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 	
could I not respring?
could you not respring?
could he not respring?
could we not respring?
could you not respring?
could they not respring? 	could I not be respringing?
could you not be respringing?
could he not be respringing?
could we not be respringing?
could you not be respringing?
could they not be respringing? 	could I not have resprung?
could you not have resprung?
could he not have resprung?
could we not have resprung?
could you not have resprung?
could they not have resprung? 	could I not have been respringing?
could you not have been respringing?
could he not have been respringing?
could we not have been respringing?
could you not have been respringing?
could they not have been respringing?