| Indicative |
|---|
| Present |
|---|
| I | undo | | you | undo | | he/she/it | undoes | | we | undo | | you | undo | | they | undo |
| | Present Progressive |
|---|
| I | am undoing | | you | are undoing | | he/she/it | is undoing | | we | are undoing | | you | are undoing | | they | are undoing |
|
|
| Past |
|---|
| I | undid | | you | undid | | he/she/it | undid | | we | undid | | you | undid | | they | undid |
| | Past Progressive |
|---|
| I | was undoing | | you | were undoing | | he/she/it | was undoing | | we | were undoing | | you | were undoing | | they | were undoing |
|
| Perfect |
|---|
| I | have undone | | you | have undone | | he/she/it | has undone | | we | have undone | | you | have undone | | they | have undone |
| | Perfect Progressive |
|---|
| I | have been undoing | | you | have been undoing | | he/she/it | has been undoing | | we | have been undoing | | you | have been undoing | | they | have been undoing |
| | Pluperfect I |
|---|
| I | had undone | | you | had undone | | he/she/it | had undone | | we | had undone | | you | had undone | | they | had undone |
| | Pluperfect II |
|---|
| I | had undone | | you | had undone | | he/she/it | had undone | | we | had undone | | you | had undone | | they | had undone |
|
| Future I |
|---|
| I | will undo | | you | will undo | | he/she/it | will undo | | we | will undo | | you | will undo | | they | will undo |
| | Future II |
|---|
| I | am going to undo | | you | are going to undo | | he/she/it | is going to undo | | we | are going to undo | | you | are going to undo | | they | are going to undo |
| | Future Progressive |
|---|
| I | will be undoing | | you | will be undoing | | he/she/it | will be undoing | | we | will be undoing | | you | will be undoing | | they | will be undoing |
| | Future Perfect |
|---|
| I | will have undone | | you | will have undone | | he/she/it | will have undone | | we | will have undone | | you | will have undone | | they | will have undone |
|
|
| Conditional |
|---|
| Present |
|---|
| I | would undo | | you | would undo | | he/she/it | would undo | | we | would undo | | you | would undo | | they | would undo |
| | Progressive |
|---|
| I | would be undoing | | you | would be undoing | | he/she/it | would be undoing | | we | would be undoing | | you | would be undoing | | they | would be undoing |
| | Past Progressive |
|---|
| I | would have been undoing | | you | would have been undoing | | he/she/it | would have been undoing | | we | would have been undoing | | you | would have been undoing | | they | would have been undoing |
|
| Subjunctive |
|---|
| Present |
|---|
| I | undo | | you | undo | | he/she/it | undoes | | we | undo | | you | undo | | they | undo |
| | Present Perfect |
|---|
| I | have undone | | you | have undone | | he/she/it | has undone | | we | have undone | | you | have undone | | they | have undone |
| | Past |
|---|
| I | undid | | you | undid | | he/she/it | undid | | we | undid | | you | undid | | they | undid |
| | Pluperfect I |
|---|
| I | had undone | | you | had undone | | he/she/it | had undone | | we | had undone | | you | had undone | | they | had undone |
|
| Past |
|---|
| I | undid | | you | undid | | he/she/it | undid | | we | undid | | you | undid | | they | undid |
| | Pluperfect II |
|---|
| I | had undone | | you | had undone | | he/she/it | had undone | | we | had undone | | you | had undone | | they | had undone |
|
| Imperative |
|---|
| Imperative |
|---|
| you | undo | | he/she/it | undo | | we | let us undo | | you | undo | | they | undo |
| | Negative Imperative |
|---|
| you | do not undo | | he/she/it | do not undo | | we | let us not undo | | you | do not undo | | they | do not undo |
|