Present "undo / undoes" | I | undo | |
Present Continuous "undo / undoes" | I | am undoing | |
Simple past "undo / undoes" | I | undid | |
Past Continuous "undo / undoes" | I | was undoing | |
Present perfect "undo / undoes" | I | have undone | |
Present perfect continuous "undo / undoes" | I | have been undoing | |
Past perfect "undo / undoes" | I | had undone | |
Past perfect continuous "undo / undoes" | I | had been undoing | |
Future "undo / undoes" | I | will undo | |
Future continuous "undo / undoes" | I | will be undoing | |
Future perfect "undo / undoes" | I | will have undone | |
Future perfect continuous "undo / undoes" | I | will have been undoing |