underwent
past tense of undergo is underwent.
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Undergo Past Tense
Undergo verb forms
| Infinitive | Present Participle | Past Tense | Past Participle |
|---|---|---|---|
| undergo | undergoing | underwent | undergone |
Conjugation of Undergo
| Simple / Indefinite Present Tense |
|---|
| He/She/It undergoes . |
| I undergo. |
| You/We/They undergo. |
| Present Continuous Tense |
|---|
| He/She/It is undergoing. |
| I am undergoing. |
| You/We/They are undergoing. |
| Present Perfect Tense |
|---|
| He/She/It has undergone. |
| I have undergone. |
| You/We/They have undergone. |
| Present Perfect Continuous Tense |
|---|
| He/She/It has been undergoing. |
| I have been undergoing. |
| You/We/They have been undergoing. |
| Simple Past Tense |
|---|
| He/She/It underwent. |
| I underwent. |
| You/We/They underwent. |
| Past Continuous Tense |
|---|
| He/She/It was undergoing. |
| I was undergoing. |
| You/We/They were undergoing. |
| Past Perfect Tense |
|---|
| He/She/It had undergone. |
| I had undergone. |
| You/We/They had undergone. |
| Past Perfect Continuous Tense |
|---|
| He/She/It had been undergoing. |
| I had been undergoing. |
| You/We/They had been undergoing. |
| Simple Future Tense |
|---|
| He/She/It will/shall undergo. |
| I will/shall undergo. |
| You/We/They will/shall undergo. |
| Future Continuous Tense |
|---|
| He/She/It will/shall be undergoing. |
| I will/shall be undergoing. |
| You/We/They will/shall be undergoing. |
| Future Perfect Tense |
|---|
| He/She/It will/shall have undergone. |
| I will/shall have undergone. |
| You/We/They will/shall have undergone. |
| Future Perfect Continuous Tense |
|---|
| He/She/It will/shall have been undergoing. |
| I will/shall have been undergoing. |
| You/We/They will/shall have been undergoing. |