Irregular verb: undo - undid - undone
Simple form | V-ing form |
I can undo you can undo he can undo we can undo you can undo they can undo | I can be undoing you can be undoing he can be undoing we can be undoing you can be undoing they can be undoing |
Perfect | V-ing perfect |
I can have undone you can have undone he can have undone we can have undone you can have undone they can have undone | I can have been undoing you can have been undoing he can have been undoing we can have been undoing you can have been undoing they can have been undoing |
Simple form | V-ing form |
I can't undo you can't undo he can't undo we can't undo you can't undo they can't undo | I can't be undoing you can't be undoing he can't be undoing we can't be undoing you can't be undoing they can't be undoing |
Perfect | V-ing perfect |
I can't have undone you can't have undone he can't have undone we can't have undone you can't have undone they can't have undone | I can't have been undoing you can't have been undoing he can't have been undoing we can't have been undoing you can't have been undoing they can't have been undoing |
Simple form | V-ing form |
can I undo? can you undo? can he undo? can we undo? can you undo? can they undo? | can I be undoing? can you be undoing? can he be undoing? can we be undoing? can you be undoing? can they be undoing? |
Perfect | V-ing perfect |
can I have undone? can you have undone? can he have undone? can we have undone? can you have undone? can they have undone? | can I have been undoing? can you have been undoing? can he have been undoing? can we have been undoing? can you have been undoing? can they have been undoing? |
Simple form | V-ing form |
can't I undo? can't you undo? can't he undo? can't we undo? can't you undo? can't they undo? | can't I be undoing? can't you be undoing? can't he be undoing? can't we be undoing? can't you be undoing? can't they be undoing? |
Perfect | V-ing perfect |
can't I have undone? can't you have undone? can't he have undone? can't we have undone? can't you have undone? can't they have undone? | can't I have been undoing? can't you have been undoing? can't he have been undoing? can't we have been undoing? can't you have been undoing? can't they have been undoing? |