undergo
undergoes
undergoing
underwent
Undergo means to experience or endure something, especially difficult. Irregular: undergo-underwent-undergone.
Meanings
- To experience
- To endure or go through
- To be subjected to
Common Collocations
undergo surgery
undergo treatment
undergo changes
undergo training
undergo transformation
Tip for Learners
Formal/medical: "undergo surgery/treatment." Undergo changes = experience transformation. Usually for significant or difficult experiences. Follows pattern of "go": undergo-underwent-undergone.
Present Simple
| I | undergo |
| you | undergo |
| he/she/it | undergoes |
| we | undergo |
| they | undergo |
Examples - Present Simple
- I undergo surgery next week.
- You undergo testing.
- She undergoes therapy.
- We undergo training.
- They undergo changes.
Present Continuous
| I | am undergoing |
| you | are undergoing |
| he/she/it | is undergoing |
| we | are undergoing |
| they | are undergoing |
Examples - Present Continuous
- I am undergoing surgery.
- You are undergoing testing.
- She is undergoing therapy.
- We are undergoing training.
- They are undergoing changes.
Present Perfect
| I | have undergone |
| you | have undergone |
| he/she/it | has undergone |
| we | have undergone |
| they | have undergone |
Examples - Present Perfect
- I have undergone surgery.
- You have undergone testing.
- She has undergone therapy.
- We have undergone training.
- They have undergone changes.
Present Perfect Continuous
| I | have been undergoing |
| you | have been undergoing |
| he/she/it | has been undergoing |
| we | have been undergoing |
| they | have been undergoing |
Examples - Present Perfect Continuous
- I have been undergoing surgery.
- You have been undergoing testing.
- She has been undergoing therapy.
- We have been undergoing training.
- They have been undergoing changes.
Past Simple
| I | underwent |
| you | underwent |
| he/she/it | underwent |
| we | underwent |
| they | underwent |
Examples - Past Simple
- I underwent surgery.
- You underwent testing.
- She underwent therapy.
- We underwent training.
- They underwent changes.
Past Continuous
| I | was undergoing |
| you | were undergoing |
| he/she/it | was undergoing |
| we | were undergoing |
| they | were undergoing |
Examples - Past Continuous
- I was undergoing surgery.
- You were undergoing testing.
- She was undergoing therapy.
- We were undergoing training.
- They were undergoing changes.
Past Perfect
| I | had undergone |
| you | had undergone |
| he/she/it | had undergone |
| we | had undergone |
| they | had undergone |
Examples - Past Perfect
- I had undergone surgery.
- You had undergone testing.
- She had undergone therapy.
- We had undergone training.
- They had undergone changes.
Past Perfect Continuous
| I | had been undergoing |
| you | had been undergoing |
| he/she/it | had been undergoing |
| we | had been undergoing |
| they | had been undergoing |
Examples - Past Perfect Continuous
- I had been undergoing surgery.
- You had been undergoing testing.
- He had been undergoing therapy.
- We had been undergoing training.
- They had been undergoing changes.
Future Simple
| I | will undergo |
| you | will undergo |
| he/she/it | will undergo |
| we | will undergo |
| they | will undergo |
Examples - Future Simple
- I will undergo surgery.
- You will undergo testing.
- She will undergo therapy.
- We will undergo training.
- They will undergo changes.
Future Continuous
| I | will be undergoing |
| you | will be undergoing |
| he/she/it | will be undergoing |
| we | will be undergoing |
| they | will be undergoing |
Examples - Future Continuous
- I will be undergoing surgery.
- You will be undergoing testing.
- He will be undergoing therapy.
- We will be undergoing training.
- They will be undergoing changes.
Future Perfect
| I | will have undergone |
| you | will have undergone |
| he/she/it | will have undergone |
| we | will have undergone |
| they | will have undergone |
Examples - Future Perfect
- I will have undergone surgery.
- You will have undergone testing.
- She will have undergone therapy.
- We will have undergone training.
- They will have undergone changes.
Future Perfect Continuous
| I | will have been undergoing |
| you | will have been undergoing |
| he/she/it | will have been undergoing |
| we | will have been undergoing |
| they | will have been undergoing |
Examples - Future Perfect Continuous
- I will have been undergoing surgery.
- You will have been undergoing testing.
- He will have been undergoing therapy.
- We will have been undergoing training.
- They will have been undergoing changes.