- U -
| Infinitive |
Simple Past |
Past Participle |
| unbind |
unbound |
unbound |
| underlie |
underlay |
underlain |
| understand |
understood |
understood |
| undertake |
undertook |
undertaken |
| underwrite |
underwrote |
underwritten |
| undo |
undid |
undone |
| unwind |
unwound |
unwound |
| uphold |
upheld |
upheld |
| upset |
upset |
upset |
|
|
|