could consult
Regular verb: consult - consulted- consulted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could consult
you could consult
he could consult
we could consult
you could consult
they could consult 	I could be consulting
you could be consulting
he could be consulting
we could be consulting
you could be consulting
they could be consulting	I could have consulted
you could have consulted
he could have consulted
we could have consulted
you could have consulted
they could have consulted	I could have been consulting
you could have been consulting
he could have been consulting
we could have been consulting
you could have been consulting
they could have been consulting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not consult
you could not consult
he could not consult
we could not consult
you could not consult
they could not consult 	I could not be consulting
you could not be consulting
he could not be consulting
we could not be consulting
you could not be consulting
they could not be consulting	I could not have consulted
you could not have consulted
he could not have consulted
we could not have consulted
you could not have consulted
they could not have consulted	I could not have been consulting
you could not have been consulting
he could not have been consulting
we could not have been consulting
you could not have been consulting
they could not have been consulting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I consult?
could you consult?
could he consult?
could we consult?
could you consult?
could they consult? 	could I be consulting?
could you be consulting?
could he be consulting?
could we be consulting?
could you be consulting?
could they be consulting? 	could I have consulted?
could you have consulted?
could he have consulted?
could we have consulted?
could you have consulted?
could they have consulted? 	could I have been consulting?
could you have been consulting?
could he have been consulting?
could we have been consulting?
could you have been consulting?
could they have been consulting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not consult?
could you not consult?
could he not consult?
could we not consult?
could you not consult?
could they not consult? 	could I not be consulting?
could you not be consulting?
could he not be consulting?
could we not be consulting?
could you not be consulting?
could they not be consulting? 	could I not have consulted?
could you not have consulted?
could he not have consulted?
could we not have consulted?
could you not have consulted?
could they not have consulted? 	could I not have been consulting?
could you not have been consulting?
could he not have been consulting?
could we not have been consulting?
could you not have been consulting?
could they not have been consulting?