Když viděli můj ultrazvuk mysleli si že jsem dvojčata. — When they saw my sonogram they thought I was twins.
| Case | Singular | Plural |
|---|---|---|
| nom | ultrazvuk | ultrazvuky |
| gen | ultrazvuku | ultrazvuků |
| dat | ultrazvuku | ultrazvukům |
| acc | ultrazvuk | ultrazvuky |
| voc | ultrazvuku | ultrazvuky |
| loc | ultrazvuku | ultrazvucích |
| instr | ultrazvukem | ultrazvuky |