| I | undertake |
| you | undertake |
| he/she/it | undertakes |
| we | undertake |
| you | undertake |
| they | undertake |
| I | have undertaken |
| you | have undertaken |
| he/she/it | has undertaken |
| we | have undertaken |
| you | have undertaken |
| they | have undertaken |
| I | undertook |
| you | undertook |
| he/she/it | undertook |
| we | undertook |
| you | undertook |
| they | undertook |
| I | had undertaken |
| you | had undertaken |
| he/she/it | had undertaken |
| we | had undertaken |
| you | had undertaken |
| they | had undertaken |
| I | will undertake |
| you | will undertake |
| he/she/it | will undertake |
| we | will undertake |
| you | will undertake |
| they | will undertake |
| I | will have undertaken |
| you | will have undertaken |
| he/she/it | will have undertaken |
| we | will have undertaken |
| you | will have undertaken |
| they | will have undertaken |
| I | am undertaking |
| you | are undertaking |
| he/she/it | is undertaking |
| we | are undertaking |
| you | are undertaking |
| they | are undertaking |
| I | have been undertaking |
| you | have been undertaking |
| he/she/it | has been undertaking |
| we | have been undertaking |
| you | have been undertaking |
| they | have been undertaking |
| I | was undertaking |
| you | were undertaking |
| he/she/it | was undertaking |
| we | were undertaking |
| you | were undertaking |
| they | were undertaking |
| I | had been undertaking |
| you | had been undertaking |
| he/she/it | had been undertaking |
| we | had been undertaking |
| you | had been undertaking |
| they | had been undertaking |
| I | will be undertaking |
| you | will be undertaking |
| he/she/it | will be undertaking |
| we | will be undertaking |
| you | will be undertaking |
| they | will be undertaking |
| I | will have been undertaking |
| you | will have been undertaking |
| he/she/it | will have been undertaking |
| we | will have been undertaking |
| you | will have been undertaking |
| they | will have been undertaking |
| I | would undertake |
| you | would undertake |
| he/she/it | would undertake |
| we | would undertake |
| you | would undertake |
| they | would undertake |
| I | would have undertaken |
| you | would have undertaken |
| he/she/it | would have undertaken |
| we | would have undertaken |
| you | would have undertaken |
| they | would have undertaken |
| I | would be undertaking |
| you | would be undertaking |
| he/she/it | would be undertaking |
| we | would be undertaking |
| you | would be undertaking |
| they | would be undertaking |
| I | would have been undertaking |
| you | would have been undertaking |
| he/she/it | would have been undertaking |
| we | would have been undertaking |
| you | would have been undertaking |
| they | would have been undertaking |
| You | undertake |
| we | Let's undertake |
| You | undertake |