| I | undergo |
| you | undergo |
| he/she/it | undergoes |
| we | undergo |
| you | undergo |
| they | undergo |
| I | have undergone |
| you | have undergone |
| he/she/it | has undergone |
| we | have undergone |
| you | have undergone |
| they | have undergone |
| I | underwent |
| you | underwent |
| he/she/it | underwent |
| we | underwent |
| you | underwent |
| they | underwent |
| I | had undergone |
| you | had undergone |
| he/she/it | had undergone |
| we | had undergone |
| you | had undergone |
| they | had undergone |
| I | will undergo |
| you | will undergo |
| he/she/it | will undergo |
| we | will undergo |
| you | will undergo |
| they | will undergo |
| I | will have undergone |
| you | will have undergone |
| he/she/it | will have undergone |
| we | will have undergone |
| you | will have undergone |
| they | will have undergone |
| I | am undergoing |
| you | are undergoing |
| he/she/it | is undergoing |
| we | are undergoing |
| you | are undergoing |
| they | are undergoing |
| I | have been undergoing |
| you | have been undergoing |
| he/she/it | has been undergoing |
| we | have been undergoing |
| you | have been undergoing |
| they | have been undergoing |
| I | was undergoing |
| you | were undergoing |
| he/she/it | was undergoing |
| we | were undergoing |
| you | were undergoing |
| they | were undergoing |
| I | had been undergoing |
| you | had been undergoing |
| he/she/it | had been undergoing |
| we | had been undergoing |
| you | had been undergoing |
| they | had been undergoing |
| I | will be undergoing |
| you | will be undergoing |
| he/she/it | will be undergoing |
| we | will be undergoing |
| you | will be undergoing |
| they | will be undergoing |
| I | will have been undergoing |
| you | will have been undergoing |
| he/she/it | will have been undergoing |
| we | will have been undergoing |
| you | will have been undergoing |
| they | will have been undergoing |
| I | would undergo |
| you | would undergo |
| he/she/it | would undergo |
| we | would undergo |
| you | would undergo |
| they | would undergo |
| I | would have undergone |
| you | would have undergone |
| he/she/it | would have undergone |
| we | would have undergone |
| you | would have undergone |
| they | would have undergone |
| I | would be undergoing |
| you | would be undergoing |
| he/she/it | would be undergoing |
| we | would be undergoing |
| you | would be undergoing |
| they | would be undergoing |
| I | would have been undergoing |
| you | would have been undergoing |
| he/she/it | would have been undergoing |
| we | would have been undergoing |
| you | would have been undergoing |
| they | would have been undergoing |
| You | undergo |
| we | Let's undergo |
| You | undergo |