| Simple | Progressive | Perfect | Progressive |
| Present |
| I vacillate |
| you vacillate |
| he/she/it vacillates |
| we vacillate |
| you all vacillate |
| they vacillate |
|
| I am vacillating |
| you are vacillating |
| he/she/it is vacillating |
| we are vacillating |
| you all are vacillating |
| they are vacillating |
|
| I have vacillated |
| you have vacillated |
| he/she/it has vacillated |
| we have vacillated |
| you all have vacillated |
| they have vacillated |
|
| I have been vacillating |
| you have been vacillating |
| he/she/it has been vacillating |
| we have been vacillating |
| you all have been vacillating |
| they have been vacillating |
|
| Past |
| I vacillated |
| you vacillated |
| he/she/it vacillated |
| we vacillated |
| you all vacillated |
| they vacillated |
|
| I was vacillating |
| you were vacillating |
| he/she/it was vacillating |
| we were vacillating |
| you all were vacillating |
| they were vacillating |
|
| I had vacillated |
| you had vacillated |
| he/she/it had vacillated |
| we had vacillated |
| you all had vacillated |
| they had vacillated |
|
| I had been vacillating |
| you had been vacillating |
| he/she/it had been vacillating |
| we had been vacillating |
| you all had been vacillating |
| they had been vacillating |
|
| Future |
| I will vacillate |
| you will vacillate |
| he/she/it will vacillate |
| we will vacillate |
| you all will vacillate |
| they will vacillate |
|
| I will be vacillating |
| you will be vacillating |
| he/she/it will be vacillating |
| we are vacillating |
| you all will be vacillating |
| they will be vacillating |
|
| I will have vacillated |
| you will have vacillated |
| he/she/it will have vacillated |
| we will have vacillated |
| you all will have vacillated |
| they will have vacillated |
|
| I will have been vacillating |
| you will have been vacillating |
| he/she/it will have been vacillating |
| we will have been vacillating |
| you all will have been vacillating |
| they will have been vacillating |
|
