| Simple | Progressive | Perfect | Progressive |
| Present |
| I foil |
| you foil |
| he/she/it foils |
| we foil |
| you all foil |
| they foil |
|
| I am foiling |
| you are foiling |
| he/she/it is foiling |
| we are foiling |
| you all are foiling |
| they are foiling |
|
| I have foiled |
| you have foiled |
| he/she/it has foiled |
| we have foiled |
| you all have foiled |
| they have foiled |
|
| I have been foiling |
| you have been foiling |
| he/she/it has been foiling |
| we have been foiling |
| you all have been foiling |
| they have been foiling |
|
| Past |
| I foiled |
| you foiled |
| he/she/it foiled |
| we foiled |
| you all foiled |
| they foiled |
|
| I was foiling |
| you were foiling |
| he/she/it was foiling |
| we were foiling |
| you all were foiling |
| they were foiling |
|
| I had foiled |
| you had foiled |
| he/she/it had foiled |
| we had foiled |
| you all had foiled |
| they had foiled |
|
| I had been foiling |
| you had been foiling |
| he/she/it had been foiling |
| we had been foiling |
| you all had been foiling |
| they had been foiling |
|
| Future |
| I will foil |
| you will foil |
| he/she/it will foil |
| we will foil |
| you all will foil |
| they will foil |
|
| I will be foiling |
| you will be foiling |
| he/she/it will be foiling |
| we are foiling |
| you all will be foiling |
| they will be foiling |
|
| I will have foiled |
| you will have foiled |
| he/she/it will have foiled |
| we will have foiled |
| you all will have foiled |
| they will have foiled |
|
| I will have been foiling |
| you will have been foiling |
| he/she/it will have been foiling |
| we will have been foiling |
| you all will have been foiling |
| they will have been foiling |
|
