| Present "undress" | I | undress | |
| Present Continuous "undress" | I | am undressing | |
| Simple past "undress" | I | undressed | |
| Past Continuous "undress" | I | was undressing | |
| Present perfect "undress" | I | have undressed | |
| Present perfect continuous "undress" | I | have been undressing | |
| Past perfect "undress" | I | had undressed | |
| Past perfect continuous "undress" | I | had been undressing | |
| Future "undress" | I | will undress | |
| Future continuous "undress" | I | will be undressing | |
| Future perfect "undress" | I | will have undressed | |
| Future perfect continuous "undress" | I | will have been undressing |