| I | undermine |
| you | undermine |
| he/she/it | undermines |
| we | undermine |
| you | undermine |
| they | undermine |
| I | have undermined |
| you | have undermined |
| he/she/it | has undermined |
| we | have undermined |
| you | have undermined |
| they | have undermined |
| I | undermined |
| you | undermined |
| he/she/it | undermined |
| we | undermined |
| you | undermined |
| they | undermined |
| I | had undermined |
| you | had undermined |
| he/she/it | had undermined |
| we | had undermined |
| you | had undermined |
| they | had undermined |
| I | will undermine |
| you | will undermine |
| he/she/it | will undermine |
| we | will undermine |
| you | will undermine |
| they | will undermine |
| I | will have undermined |
| you | will have undermined |
| he/she/it | will have undermined |
| we | will have undermined |
| you | will have undermined |
| they | will have undermined |
| I | am undermining |
| you | are undermining |
| he/she/it | is undermining |
| we | are undermining |
| you | are undermining |
| they | are undermining |
| I | have been undermining |
| you | have been undermining |
| he/she/it | has been undermining |
| we | have been undermining |
| you | have been undermining |
| they | have been undermining |
| I | was undermining |
| you | were undermining |
| he/she/it | was undermining |
| we | were undermining |
| you | were undermining |
| they | were undermining |
| I | had been undermining |
| you | had been undermining |
| he/she/it | had been undermining |
| we | had been undermining |
| you | had been undermining |
| they | had been undermining |
| I | will be undermining |
| you | will be undermining |
| he/she/it | will be undermining |
| we | will be undermining |
| you | will be undermining |
| they | will be undermining |
| I | will have been undermining |
| you | will have been undermining |
| he/she/it | will have been undermining |
| we | will have been undermining |
| you | will have been undermining |
| they | will have been undermining |
| I | would undermine |
| you | would undermine |
| he/she/it | would undermine |
| we | would undermine |
| you | would undermine |
| they | would undermine |
| I | would have undermined |
| you | would have undermined |
| he/she/it | would have undermined |
| we | would have undermined |
| you | would have undermined |
| they | would have undermined |
| I | would be undermining |
| you | would be undermining |
| he/she/it | would be undermining |
| we | would be undermining |
| you | would be undermining |
| they | would be undermining |
| I | would have been undermining |
| you | would have been undermining |
| he/she/it | would have been undermining |
| we | would have been undermining |
| you | would have been undermining |
| they | would have been undermining |
| You | undermine |
| we | Let's undermine |
| You | undermine |