| INDICATIVE |  | 
|  Present |  | 
I occur   You occur   He/She/It occurs   We occur   You occur   They occur  
  |  
 | 
|  Imperfect |  | 
I was occuring   You were occuring   He/She/It was occuring   We were occuring   You were occuring   They were occuring  
  |  
 | 
|  Perfect |  | 
I occured   You occured   He/She/It occured   We occured   You occured   They occured  
  |  
 | 
|  Perfect |  | 
I have occured   You have occured   He/She/It has occured   We have occured   You have occured   They have occured  
  |  
 | 
|  PlusPerfect |  | 
I had occured   You had occured   He/She/It had occured   We had occured   You had occured   They had occured  
  |  
 | 
|  Plusperfect |  | 
I had occured   You had occured   He/She/It had occured   We had occured   You had occured   They had occured  
  |  
 | 
|  Future |  | 
I will occur   You will occur   He/She/It will occur   We will occur   You will occur   They will occur  
  |  
 | 
|  Future perfect |  | 
I will have occured   You will have occured   He/She/It will have occured   We will have occured   You will have occured   They will have occured  
  |  
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| SUBJUNTIVE |  | 
|  Present |  | 
I (that )may occur   You (that )may occur   He/She/It (that )may occur   We (that )may occur   You (that )may occur   They (that )may occur  
  |  
 | 
|  Imperfect |  | 
I (that )might occur   You (that )might occur   He/She/It (that )might occur   We (that )might occur   You (that )might occur   They (that )might occur  
  |  
 | 
|  Perfect |  | 
I (whether) occured   You (whether) occured   He/She/It (whether) occured   We (whether) occured   You (whether) occured   They (whether) occured  
  |  
 | 
|  Pluperfect |  | 
I (whether) had occured   You (whether) had occured   He/She/It (whether) had occured   We (whether) had occured   You (whether) had occured   They (whether) had occured  
  |  
 | 
| CONDITIONAL |  | 
|  Present |  | 
I would occur   You would occur   He/She/It would occur   We would occur   You would occur   They would occur  
  |  
 | 
|  Perfect |  | 
I would have occured   You would have occured   He/She/It would have occured   We would have occured   You would have occured   They would have occured  
  |  
 | 
| IMPERATIVE |  | 
|  Present |  | 
let me occur   occur   let him occur   let us occur   occur   let them occur  
  |  
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| PARTICIPLE |  | 
|  Present |  | 
occuring  
  |  
 | 
|  Perfect |  | 
occured  
  |  
 | 
| INFINITIVE |  | 
|  Present |  | 
to occur  
  |  
 | 
|  Perfect |  | 
have occured  
  |  
 | 
| GERUND |  | 
|  Present |  | 
occuring  
  |  
 | 
|  Perfect |  | 
having occured  
  |  
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