| I | intervene |
| you | intervene |
| he/she/it | intervenes |
| we | intervene |
| you | intervene |
| they | intervene |
| I | have intervened |
| you | have intervened |
| he/she/it | has intervened |
| we | have intervened |
| you | have intervened |
| they | have intervened |
| I | intervened |
| you | intervened |
| he/she/it | intervened |
| we | intervened |
| you | intervened |
| they | intervened |
| I | had intervened |
| you | had intervened |
| he/she/it | had intervened |
| we | had intervened |
| you | had intervened |
| they | had intervened |
| I | will intervene |
| you | will intervene |
| he/she/it | will intervene |
| we | will intervene |
| you | will intervene |
| they | will intervene |
| I | will have intervened |
| you | will have intervened |
| he/she/it | will have intervened |
| we | will have intervened |
| you | will have intervened |
| they | will have intervened |
| I | am intervening |
| you | are intervening |
| he/she/it | is intervening |
| we | are intervening |
| you | are intervening |
| they | are intervening |
| I | have been intervening |
| you | have been intervening |
| he/she/it | has been intervening |
| we | have been intervening |
| you | have been intervening |
| they | have been intervening |
| I | was intervening |
| you | were intervening |
| he/she/it | was intervening |
| we | were intervening |
| you | were intervening |
| they | were intervening |
| I | had been intervening |
| you | had been intervening |
| he/she/it | had been intervening |
| we | had been intervening |
| you | had been intervening |
| they | had been intervening |
| I | will be intervening |
| you | will be intervening |
| he/she/it | will be intervening |
| we | will be intervening |
| you | will be intervening |
| they | will be intervening |
| I | will have been intervening |
| you | will have been intervening |
| he/she/it | will have been intervening |
| we | will have been intervening |
| you | will have been intervening |
| they | will have been intervening |
| I | would intervene |
| you | would intervene |
| he/she/it | would intervene |
| we | would intervene |
| you | would intervene |
| they | would intervene |
| I | would have intervened |
| you | would have intervened |
| he/she/it | would have intervened |
| we | would have intervened |
| you | would have intervened |
| they | would have intervened |
| I | would be intervening |
| you | would be intervening |
| he/she/it | would be intervening |
| we | would be intervening |
| you | would be intervening |
| they | would be intervening |
| I | would have been intervening |
| you | would have been intervening |
| he/she/it | would have been intervening |
| we | would have been intervening |
| you | would have been intervening |
| they | would have been intervening |
| You | intervene |
| we | Let's intervene |
| You | intervene |