| Present "undercut" | I | undercut | |
| Present Continuous "undercut" | I | am undercutting | |
| Simple past "undercut" | I | undercut | |
| Past Continuous "undercut" | I | was undercutting | |
| Present perfect "undercut" | I | have undercut | |
| Present perfect continuous "undercut" | I | have been undercutting | |
| Past perfect "undercut" | I | had undercut | |
| Past perfect continuous "undercut" | I | had been undercutting | |
| Future "undercut" | I | will undercut | |
| Future continuous "undercut" | I | will be undercutting | |
| Future perfect "undercut" | I | will have undercut | |
| Future perfect continuous "undercut" | I | will have been undercutting |