| I | spark off |
| you | spark off |
| he/she/it | sparks off |
| we | spark off |
| you | spark off |
| they | spark off |
| I | have sparked off |
| you | have sparked off |
| he/she/it | has sparked off |
| we | have sparked off |
| you | have sparked off |
| they | have sparked off |
| I | sparked off |
| you | sparked off |
| he/she/it | sparked off |
| we | sparked off |
| you | sparked off |
| they | sparked off |
| I | had sparked off |
| you | had sparked off |
| he/she/it | had sparked off |
| we | had sparked off |
| you | had sparked off |
| they | had sparked off |
| I | will spark off |
| you | will spark off |
| he/she/it | will spark off |
| we | will spark off |
| you | will spark off |
| they | will spark off |
| I | will have sparked off |
| you | will have sparked off |
| he/she/it | will have sparked off |
| we | will have sparked off |
| you | will have sparked off |
| they | will have sparked off |
| I | am sparking off |
| you | are sparking off |
| he/she/it | is sparking off |
| we | are sparking off |
| you | are sparking off |
| they | are sparking off |
| I | have been sparking off |
| you | have been sparking off |
| he/she/it | has been sparking off |
| we | have been sparking off |
| you | have been sparking off |
| they | have been sparking off |
| I | was sparking off |
| you | were sparking off |
| he/she/it | was sparking off |
| we | were sparking off |
| you | were sparking off |
| they | were sparking off |
| I | had been sparking off |
| you | had been sparking off |
| he/she/it | had been sparking off |
| we | had been sparking off |
| you | had been sparking off |
| they | had been sparking off |
| I | will be sparking off |
| you | will be sparking off |
| he/she/it | will be sparking off |
| we | will be sparking off |
| you | will be sparking off |
| they | will be sparking off |
| I | will have been sparking off |
| you | will have been sparking off |
| he/she/it | will have been sparking off |
| we | will have been sparking off |
| you | will have been sparking off |
| they | will have been sparking off |
| I | would spark off |
| you | would spark off |
| he/she/it | would spark off |
| we | would spark off |
| you | would spark off |
| they | would spark off |
| I | would have sparked off |
| you | would have sparked off |
| he/she/it | would have sparked off |
| we | would have sparked off |
| you | would have sparked off |
| they | would have sparked off |
| I | would be sparking off |
| you | would be sparking off |
| he/she/it | would be sparking off |
| we | would be sparking off |
| you | would be sparking off |
| they | would be sparking off |
| I | would have been sparking off |
| you | would have been sparking off |
| he/she/it | would have been sparking off |
| we | would have been sparking off |
| you | would have been sparking off |
| they | would have been sparking off |
| You | spark off |
| we | Let's spark off |
| You | spark off |