| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I undo | I undid | I shall/will undo |
| We undo | We undid | We shall/will undo |
| You undo | You undid | You will undo |
| He undoes | He undid | He will undo |
| She undoes | She undid | She will undo |
| It undoes | It undid | It will undo |
| They undo | They undid | They will undo |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am undoing | I was undoing | I shall/will be undoing |
| We are undoing | We were undoing | We shall/will be undoing |
| You are undoing | You were undoing | You will be undoing |
| He is undoing | He was undoing | He will be undoing |
| She is undoing | She was undoing | She will be undoing |
| It is undoing | It was undoing | It will be undoing |
| They are undoing | They were undoing | They will be undoing |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have undone | I had undone | I shall/will have undone |
| We have undone | We had undone | We shall/will have undone |
| You have undone | You had undone | You will have undone |
| He has undone | He had undone | He will have undone |
| She has undone | She had undone | She will have undone |
| It has undone | It had undone | It will have undone |
| They have undone | They had undone | They will have undone |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been undoing | I had been undoing | I shall/will have been undoing |
| We have been undoing | We had been undoing | We shall/will have been undoing |
| You have been undoing | You had been undoing | You will have been undoing |
| He has been undoing | He had been undoing | He will have been undoing |
| She has been undoing | She had been undoing | She will have been undoing |
| It has been undoing | It had been undoing | It will have been undoing |
| They have been undoing | They had been undoing | They will have been undoing |