| I | foil |
| you | foil |
| he/she/it | foils |
| we | foil |
| you | foil |
| they | foil |
| I | have foiled |
| you | have foiled |
| he/she/it | has foiled |
| we | have foiled |
| you | have foiled |
| they | have foiled |
| I | foiled |
| you | foiled |
| he/she/it | foiled |
| we | foiled |
| you | foiled |
| they | foiled |
| I | had foiled |
| you | had foiled |
| he/she/it | had foiled |
| we | had foiled |
| you | had foiled |
| they | had foiled |
| I | will foil |
| you | will foil |
| he/she/it | will foil |
| we | will foil |
| you | will foil |
| they | will foil |
| I | will have foiled |
| you | will have foiled |
| he/she/it | will have foiled |
| we | will have foiled |
| you | will have foiled |
| they | will have foiled |
| I | am foiling |
| you | are foiling |
| he/she/it | is foiling |
| we | are foiling |
| you | are foiling |
| they | are foiling |
| I | have been foiling |
| you | have been foiling |
| he/she/it | has been foiling |
| we | have been foiling |
| you | have been foiling |
| they | have been foiling |
| I | was foiling |
| you | were foiling |
| he/she/it | was foiling |
| we | were foiling |
| you | were foiling |
| they | were foiling |
| I | had been foiling |
| you | had been foiling |
| he/she/it | had been foiling |
| we | had been foiling |
| you | had been foiling |
| they | had been foiling |
| I | will be foiling |
| you | will be foiling |
| he/she/it | will be foiling |
| we | will be foiling |
| you | will be foiling |
| they | will be foiling |
| I | will have been foiling |
| you | will have been foiling |
| he/she/it | will have been foiling |
| we | will have been foiling |
| you | will have been foiling |
| they | will have been foiling |
| I | would foil |
| you | would foil |
| he/she/it | would foil |
| we | would foil |
| you | would foil |
| they | would foil |
| I | would have foiled |
| you | would have foiled |
| he/she/it | would have foiled |
| we | would have foiled |
| you | would have foiled |
| they | would have foiled |
| I | would be foiling |
| you | would be foiling |
| he/she/it | would be foiling |
| we | would be foiling |
| you | would be foiling |
| they | would be foiling |
| I | would have been foiling |
| you | would have been foiling |
| he/she/it | would have been foiling |
| we | would have been foiling |
| you | would have been foiling |
| they | would have been foiling |
| You | foil |
| we | Let's foil |
| You | foil |