| Simple | Progressive | Perfect | Progressive |
| Present |
| I upturn |
| you upturn |
| he/she/it upturns |
| we upturn |
| you all upturn |
| they upturn |
|
| I am upturning |
| you are upturning |
| he/she/it is upturning |
| we are upturning |
| you all are upturning |
| they are upturning |
|
| I have upturned |
| you have upturned |
| he/she/it has upturned |
| we have upturned |
| you all have upturned |
| they have upturned |
|
| I have been upturning |
| you have been upturning |
| he/she/it has been upturning |
| we have been upturning |
| you all have been upturning |
| they have been upturning |
|
| Past |
| I upturned |
| you upturned |
| he/she/it upturned |
| we upturned |
| you all upturned |
| they upturned |
|
| I was upturning |
| you were upturning |
| he/she/it was upturning |
| we were upturning |
| you all were upturning |
| they were upturning |
|
| I had upturned |
| you had upturned |
| he/she/it had upturned |
| we had upturned |
| you all had upturned |
| they had upturned |
|
| I had been upturning |
| you had been upturning |
| he/she/it had been upturning |
| we had been upturning |
| you all had been upturning |
| they had been upturning |
|
| Future |
| I will upturn |
| you will upturn |
| he/she/it will upturn |
| we will upturn |
| you all will upturn |
| they will upturn |
|
| I will be upturning |
| you will be upturning |
| he/she/it will be upturning |
| we are upturning |
| you all will be upturning |
| they will be upturning |
|
| I will have upturned |
| you will have upturned |
| he/she/it will have upturned |
| we will have upturned |
| you all will have upturned |
| they will have upturned |
|
| I will have been upturning |
| you will have been upturning |
| he/she/it will have been upturning |
| we will have been upturning |
| you all will have been upturning |
| they will have been upturning |
|
