| Subject | English | Russian |
| gen. | since when has he become interested in literature? | с каких пор он стал интересоваться литературой? |
| Makarov. | since when has she been ill? | с какого времени она болеет? |
| gen. | when ... has | при наличии (when it has – при наличии у него Stas-Soleil) |