| Simple | Progressive | Perfect | Progressive |
| Present |
| I countervail |
| you countervail |
| he/she/it countervails |
| we countervail |
| you all countervail |
| they countervail |
|
| I am countervailing |
| you are countervailing |
| he/she/it is countervailing |
| we are countervailing |
| you all are countervailing |
| they are countervailing |
|
| I have countervailed |
| you have countervailed |
| he/she/it has countervailed |
| we have countervailed |
| you all have countervailed |
| they have countervailed |
|
| I have been countervailing |
| you have been countervailing |
| he/she/it has been countervailing |
| we have been countervailing |
| you all have been countervailing |
| they have been countervailing |
|
| Past |
| I countervailed |
| you countervailed |
| he/she/it countervailed |
| we countervailed |
| you all countervailed |
| they countervailed |
|
| I was countervailing |
| you were countervailing |
| he/she/it was countervailing |
| we were countervailing |
| you all were countervailing |
| they were countervailing |
|
| I had countervailed |
| you had countervailed |
| he/she/it had countervailed |
| we had countervailed |
| you all had countervailed |
| they had countervailed |
|
| I had been countervailing |
| you had been countervailing |
| he/she/it had been countervailing |
| we had been countervailing |
| you all had been countervailing |
| they had been countervailing |
|
| Future |
| I will countervail |
| you will countervail |
| he/she/it will countervail |
| we will countervail |
| you all will countervail |
| they will countervail |
|
| I will be countervailing |
| you will be countervailing |
| he/she/it will be countervailing |
| we are countervailing |
| you all will be countervailing |
| they will be countervailing |
|
| I will have countervailed |
| you will have countervailed |
| he/she/it will have countervailed |
| we will have countervailed |
| you all will have countervailed |
| they will have countervailed |
|
| I will have been countervailing |
| you will have been countervailing |
| he/she/it will have been countervailing |
| we will have been countervailing |
| you all will have been countervailing |
| they will have been countervailing |
|
