would occur
Regular verb: occur - occurred- occurred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd occur
you'd occur
he'd occur
we'd occur
you'd occur
they'd occur 	I'd be occurring
you'd be occurring
he'd be occurring
we'd be occurring
you'd be occurring
they'd be occurring	I would've occurred
you would've occurred
he would've occurred
we would've occurred
you would've occurred
they would've occurred	I would've been occurring
you would've been occurring
he would've been occurring
we would've been occurring
you would've been occurring
they would've been occurring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't occur
you wouldn't occur
he wouldn't occur
we wouldn't occur
you wouldn't occur
they wouldn't occur 	I wouldn't be occurring
you wouldn't be occurring
he wouldn't be occurring
we wouldn't be occurring
you wouldn't be occurring
they wouldn't be occurring	I wouldn't have occurred
you wouldn't have occurred
he wouldn't have occurred
we wouldn't have occurred
you wouldn't have occurred
they wouldn't have occurred	I wouldn't have been occurring
you wouldn't have been occurring
he wouldn't have been occurring
we wouldn't have been occurring
you wouldn't have been occurring
they wouldn't have been occurring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I occur?
would you occur?
would he occur?
would we occur?
would you occur?
would they occur? 	would I be occurring?
would you be occurring?
would he be occurring?
would we be occurring?
would you be occurring?
would they be occurring? 	would I have occurred?
would you have occurred?
would he have occurred?
would we have occurred?
would you have occurred?
would they have occurred? 	would I have been occurring?
would you have been occurring?
would he have been occurring?
would we have been occurring?
would you have been occurring?
would they have been occurring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I occur?
wouldn't you occur?
wouldn't he occur?
wouldn't we occur?
wouldn't you occur?
wouldn't they occur? 	wouldn't I be occurring?
wouldn't you be occurring?
wouldn't he be occurring?
wouldn't we be occurring?
wouldn't you be occurring?
wouldn't they be occurring? 	wouldn't I have occurred?
wouldn't you have occurred?
wouldn't he have occurred?
wouldn't we have occurred?
wouldn't you have occurred?
wouldn't they have occurred? 	wouldn't I have been occurring?
wouldn't you have been occurring?
wouldn't he have been occurring?
wouldn't we have been occurring?
wouldn't you have been occurring?
wouldn't they have been occurring?