Total verb forms: 51
| Imperatives and participles |
| Present Participle | occurring |
| Present Participle | occurred |
| Imperative | occur |
| Type | I | you | he/she/it | we | you | they |
| Present | occur | occur | occurs | occur | occur | occur |
| Past | occurred | occurred | occurred | occurred | occurred | occurred |
| Future | will occur | will occur | will occur | will occur | will occur | will occur |
| Present conditional | would occur | would occur | would occur | would occur | would occur | would occur |
| Past conditional | would have occurred | would have occurred | would have occurred | would have occurred | would have occurred | would have occurred |
| Present Perfect | have occurred | have occurred | has occurred | have occurred | have occurred | have occurred |
| Past Perfect | had occurred | had occurred | had occurred | had occurred | had occurred | had occurred |
| Future Perfect | will have occurred | will have occurred | will have occurred | will have occurred | will have occurred | will have occurred |
Conjugated verbs before and after occur
