| Simple | Progressive | Perfect | Progressive |
| Present |
| I derail |
| you derail |
| he/she/it derails |
| we derail |
| you all derail |
| they derail |
|
| I am derailing |
| you are derailing |
| he/she/it is derailing |
| we are derailing |
| you all are derailing |
| they are derailing |
|
| I have derailed |
| you have derailed |
| he/she/it has derailed |
| we have derailed |
| you all have derailed |
| they have derailed |
|
| I have been derailing |
| you have been derailing |
| he/she/it has been derailing |
| we have been derailing |
| you all have been derailing |
| they have been derailing |
|
| Past |
| I derailed |
| you derailed |
| he/she/it derailed |
| we derailed |
| you all derailed |
| they derailed |
|
| I was derailing |
| you were derailing |
| he/she/it was derailing |
| we were derailing |
| you all were derailing |
| they were derailing |
|
| I had derailed |
| you had derailed |
| he/she/it had derailed |
| we had derailed |
| you all had derailed |
| they had derailed |
|
| I had been derailing |
| you had been derailing |
| he/she/it had been derailing |
| we had been derailing |
| you all had been derailing |
| they had been derailing |
|
| Future |
| I will derail |
| you will derail |
| he/she/it will derail |
| we will derail |
| you all will derail |
| they will derail |
|
| I will be derailing |
| you will be derailing |
| he/she/it will be derailing |
| we are derailing |
| you all will be derailing |
| they will be derailing |
|
| I will have derailed |
| you will have derailed |
| he/she/it will have derailed |
| we will have derailed |
| you all will have derailed |
| they will have derailed |
|
| I will have been derailing |
| you will have been derailing |
| he/she/it will have been derailing |
| we will have been derailing |
| you all will have been derailing |
| they will have been derailing |
|
