| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of [noun sg] a hour | 7 |
|
| 2 | [noun pl] of [noun sg] a hour | 7 |
|
| 3 | of [noun sg] [prep] a hour | 13 |
|
| 4 | of [noun sg] [prep] a hour | 13 |
|
