| Simple | Progressive | Perfect | Progressive |
| Present |
| I uncertain |
| you uncertain |
| he/she/it uncertains |
| we uncertain |
| you all uncertain |
| they uncertain |
|
| I am uncertaining |
| you are uncertaining |
| he/she/it is uncertaining |
| we are uncertaining |
| you all are uncertaining |
| they are uncertaining |
|
| I have uncertained |
| you have uncertained |
| he/she/it has uncertained |
| we have uncertained |
| you all have uncertained |
| they have uncertained |
|
| I have been uncertaining |
| you have been uncertaining |
| he/she/it has been uncertaining |
| we have been uncertaining |
| you all have been uncertaining |
| they have been uncertaining |
|
| Past |
| I uncertained |
| you uncertained |
| he/she/it uncertained |
| we uncertained |
| you all uncertained |
| they uncertained |
|
| I was uncertaining |
| you were uncertaining |
| he/she/it was uncertaining |
| we were uncertaining |
| you all were uncertaining |
| they were uncertaining |
|
| I had uncertained |
| you had uncertained |
| he/she/it had uncertained |
| we had uncertained |
| you all had uncertained |
| they had uncertained |
|
| I had been uncertaining |
| you had been uncertaining |
| he/she/it had been uncertaining |
| we had been uncertaining |
| you all had been uncertaining |
| they had been uncertaining |
|
| Future |
| I will uncertain |
| you will uncertain |
| he/she/it will uncertain |
| we will uncertain |
| you all will uncertain |
| they will uncertain |
|
| I will be uncertaining |
| you will be uncertaining |
| he/she/it will be uncertaining |
| we are uncertaining |
| you all will be uncertaining |
| they will be uncertaining |
|
| I will have uncertained |
| you will have uncertained |
| he/she/it will have uncertained |
| we will have uncertained |
| you all will have uncertained |
| they will have uncertained |
|
| I will have been uncertaining |
| you will have been uncertaining |
| he/she/it will have been uncertaining |
| we will have been uncertaining |
| you all will have been uncertaining |
| they will have been uncertaining |
|
