| Simple | Progressive | Perfect | Progressive |
| Present |
| I overtax |
| you overtax |
| he/she/it overtaxes |
| we overtax |
| you all overtax |
| they overtax |
|
| I am overtaxing |
| you are overtaxing |
| he/she/it is overtaxing |
| we are overtaxing |
| you all are overtaxing |
| they are overtaxing |
|
| I have overtaxed |
| you have overtaxed |
| he/she/it has overtaxed |
| we have overtaxed |
| you all have overtaxed |
| they have overtaxed |
|
| I have been overtaxing |
| you have been overtaxing |
| he/she/it has been overtaxing |
| we have been overtaxing |
| you all have been overtaxing |
| they have been overtaxing |
|
| Past |
| I overtaxed |
| you overtaxed |
| he/she/it overtaxed |
| we overtaxed |
| you all overtaxed |
| they overtaxed |
|
| I was overtaxing |
| you were overtaxing |
| he/she/it was overtaxing |
| we were overtaxing |
| you all were overtaxing |
| they were overtaxing |
|
| I had overtaxed |
| you had overtaxed |
| he/she/it had overtaxed |
| we had overtaxed |
| you all had overtaxed |
| they had overtaxed |
|
| I had been overtaxing |
| you had been overtaxing |
| he/she/it had been overtaxing |
| we had been overtaxing |
| you all had been overtaxing |
| they had been overtaxing |
|
| Future |
| I will overtax |
| you will overtax |
| he/she/it will overtax |
| we will overtax |
| you all will overtax |
| they will overtax |
|
| I will be overtaxing |
| you will be overtaxing |
| he/she/it will be overtaxing |
| we are overtaxing |
| you all will be overtaxing |
| they will be overtaxing |
|
| I will have overtaxed |
| you will have overtaxed |
| he/she/it will have overtaxed |
| we will have overtaxed |
| you all will have overtaxed |
| they will have overtaxed |
|
| I will have been overtaxing |
| you will have been overtaxing |
| he/she/it will have been overtaxing |
| we will have been overtaxing |
| you all will have been overtaxing |
| they will have been overtaxing |
|
