| Simple | Progressive | Perfect | Progressive |
| Present |
| I happen |
| you happen |
| he/she/it happens |
| we happen |
| you all happen |
| they happen |
|
| I am happening |
| you are happening |
| he/she/it is happening |
| we are happening |
| you all are happening |
| they are happening |
|
| I have happened |
| you have happened |
| he/she/it has happened |
| we have happened |
| you all have happened |
| they have happened |
|
| I have been happening |
| you have been happening |
| he/she/it has been happening |
| we have been happening |
| you all have been happening |
| they have been happening |
|
| Past |
| I happened |
| you happened |
| he/she/it happened |
| we happened |
| you all happened |
| they happened |
|
| I was happening |
| you were happening |
| he/she/it was happening |
| we were happening |
| you all were happening |
| they were happening |
|
| I had happened |
| you had happened |
| he/she/it had happened |
| we had happened |
| you all had happened |
| they had happened |
|
| I had been happening |
| you had been happening |
| he/she/it had been happening |
| we had been happening |
| you all had been happening |
| they had been happening |
|
| Future |
| I will happen |
| you will happen |
| he/she/it will happen |
| we will happen |
| you all will happen |
| they will happen |
|
| I will be happening |
| you will be happening |
| he/she/it will be happening |
| we are happening |
| you all will be happening |
| they will be happening |
|
| I will have happened |
| you will have happened |
| he/she/it will have happened |
| we will have happened |
| you all will have happened |
| they will have happened |
|
| I will have been happening |
| you will have been happening |
| he/she/it will have been happening |
| we will have been happening |
| you all will have been happening |
| they will have been happening |
|
