to occur
Regular verb: occur - occurred- occurred

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I occur
you occur
he occurs
we occur
you occur
they occur 	I'moccurring
you'reoccurring
he'soccurring
we'reoccurring
you'reoccurring
they'reoccurring	I occurred
you occurred
he occurred
we occurred
you occurred
they occurred	Iwasoccurring
youwereoccurring
hewasoccurring
wewereoccurring
youwereoccurring
theywereoccurring	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've occurred
you've occurred
he's occurred
we've occurred
you've occurred
they've occurred	I'vebeen occurring
you'vebeen occurring
he'sbeen occurring
we'vebeen occurring
you'vebeen occurring
they'vebeen occurring	I'd occurred
you'd occurred
he'd occurred
we'd occurred
you'd occurred
they'd occurred	I'd been occurring
you'd been occurring
he'd been occurring
we'd been occurring
you'd been occurring
they'd been occurring	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll occur
you'll occur
he'll occur
we'll occur
you'll occur
they'll occur 	I'll be occurring
you'll be occurring
he'll be occurring
we'll be occurring
you'll be occurring
they'll be occurring	I'll have occurred
you'll have occurred
he'll have occurred
we'll have occurred
you'll have occurred
they'll have occurred	I'll have been occurring
you'll have been occurring
he'll have been occurring
we'll have been occurring
you'll have been occurring
they'll have been occurring	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
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'd have occurred
you'd have occurred
he'd have occurred
we'd have occurred
you'd have occurred
they'd have occurred	I'd have been occurring
you'd have been occurring
he'd have been occurring
we'd have been occurring
you'd have been occurring
they'd have been occurring	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to occur 	 	occur
Let's occur
occur 	 	

Participle 	
Present 	Past 	 	 	
occurring	occurred