| Simple | Progressive | Perfect | Progressive |
| Present |
| I thwart |
| you thwart |
| he/she/it thwarts |
| we thwart |
| you all thwart |
| they thwart |
|
| I am thwarting |
| you are thwarting |
| he/she/it is thwarting |
| we are thwarting |
| you all are thwarting |
| they are thwarting |
|
| I have thwarted |
| you have thwarted |
| he/she/it has thwarted |
| we have thwarted |
| you all have thwarted |
| they have thwarted |
|
| I have been thwarting |
| you have been thwarting |
| he/she/it has been thwarting |
| we have been thwarting |
| you all have been thwarting |
| they have been thwarting |
|
| Past |
| I thwarted |
| you thwarted |
| he/she/it thwarted |
| we thwarted |
| you all thwarted |
| they thwarted |
|
| I was thwarting |
| you were thwarting |
| he/she/it was thwarting |
| we were thwarting |
| you all were thwarting |
| they were thwarting |
|
| I had thwarted |
| you had thwarted |
| he/she/it had thwarted |
| we had thwarted |
| you all had thwarted |
| they had thwarted |
|
| I had been thwarting |
| you had been thwarting |
| he/she/it had been thwarting |
| we had been thwarting |
| you all had been thwarting |
| they had been thwarting |
|
| Future |
| I will thwart |
| you will thwart |
| he/she/it will thwart |
| we will thwart |
| you all will thwart |
| they will thwart |
|
| I will be thwarting |
| you will be thwarting |
| he/she/it will be thwarting |
| we are thwarting |
| you all will be thwarting |
| they will be thwarting |
|
| I will have thwarted |
| you will have thwarted |
| he/she/it will have thwarted |
| we will have thwarted |
| you all will have thwarted |
| they will have thwarted |
|
| I will have been thwarting |
| you will have been thwarting |
| he/she/it will have been thwarting |
| we will have been thwarting |
| you all will have been thwarting |
| they will have been thwarting |
|
