could restart
Regular verb: restart - restarted- restarted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could restart
you could restart
she could restart
we could restart
you could restart
they could restart 	I could be restarting
you could be restarting
she could be restarting
we could be restarting
you could be restarting
they could be restarting	I could have restarted
you could have restarted
she could have restarted
we could have restarted
you could have restarted
they could have restarted	I could have been restarting
you could have been restarting
she could have been restarting
we could have been restarting
you could have been restarting
they could have been restarting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not restart
you could not restart
she could not restart
we could not restart
you could not restart
they could not restart 	I could not be restarting
you could not be restarting
she could not be restarting
we could not be restarting
you could not be restarting
they could not be restarting	I could not have restarted
you could not have restarted
she could not have restarted
we could not have restarted
you could not have restarted
they could not have restarted	I could not have been restarting
you could not have been restarting
she could not have been restarting
we could not have been restarting
you could not have been restarting
they could not have been restarting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I restart?
could you restart?
could she restart?
could we restart?
could you restart?
could they restart? 	could I be restarting?
could you be restarting?
could she be restarting?
could we be restarting?
could you be restarting?
could they be restarting? 	could I have restarted?
could you have restarted?
could she have restarted?
could we have restarted?
could you have restarted?
could they have restarted? 	could I have been restarting?
could you have been restarting?
could she have been restarting?
could we have been restarting?
could you have been restarting?
could they have been restarting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not restart?
could you not restart?
could she not restart?
could we not restart?
could you not restart?
could they not restart? 	could I not be restarting?
could you not be restarting?
could she not be restarting?
could we not be restarting?
could you not be restarting?
could they not be restarting? 	could I not have restarted?
could you not have restarted?
could she not have restarted?
could we not have restarted?
could you not have restarted?
could they not have restarted? 	could I not have been restarting?
could you not have been restarting?
could she not have been restarting?
could we not have been restarting?
could you not have been restarting?
could they not have been restarting?