could vaticinate
Regular verb: vaticinate - vaticinated- vaticinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could vaticinate
you could vaticinate
he could vaticinate
we could vaticinate
you could vaticinate
they could vaticinate 	I could be vaticinating
you could be vaticinating
he could be vaticinating
we could be vaticinating
you could be vaticinating
they could be vaticinating	I could have vaticinated
you could have vaticinated
he could have vaticinated
we could have vaticinated
you could have vaticinated
they could have vaticinated	I could have been vaticinating
you could have been vaticinating
he could have been vaticinating
we could have been vaticinating
you could have been vaticinating
they could have been vaticinating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not vaticinate
you could not vaticinate
he could not vaticinate
we could not vaticinate
you could not vaticinate
they could not vaticinate 	I could not be vaticinating
you could not be vaticinating
he could not be vaticinating
we could not be vaticinating
you could not be vaticinating
they could not be vaticinating	I could not have vaticinated
you could not have vaticinated
he could not have vaticinated
we could not have vaticinated
you could not have vaticinated
they could not have vaticinated	I could not have been vaticinating
you could not have been vaticinating
he could not have been vaticinating
we could not have been vaticinating
you could not have been vaticinating
they could not have been vaticinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I vaticinate?
could you vaticinate?
could he vaticinate?
could we vaticinate?
could you vaticinate?
could they vaticinate? 	could I be vaticinating?
could you be vaticinating?
could he be vaticinating?
could we be vaticinating?
could you be vaticinating?
could they be vaticinating? 	could I have vaticinated?
could you have vaticinated?
could he have vaticinated?
could we have vaticinated?
could you have vaticinated?
could they have vaticinated? 	could I have been vaticinating?
could you have been vaticinating?
could he have been vaticinating?
could we have been vaticinating?
could you have been vaticinating?
could they have been vaticinating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not vaticinate?
could you not vaticinate?
could he not vaticinate?
could we not vaticinate?
could you not vaticinate?
could they not vaticinate? 	could I not be vaticinating?
could you not be vaticinating?
could he not be vaticinating?
could we not be vaticinating?
could you not be vaticinating?
could they not be vaticinating? 	could I not have vaticinated?
could you not have vaticinated?
could he not have vaticinated?
could we not have vaticinated?
could you not have vaticinated?
could they not have vaticinated? 	could I not have been vaticinating?
could you not have been vaticinating?
could he not have been vaticinating?
could we not have been vaticinating?
could you not have been vaticinating?
could they not have been vaticinating?