| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] hours [unc] | 61 |
|
| 2 | [prep] [num] hours ['s] | 58 |
|
| 3 | [prep] [num] hours ' | 58 |
|
| 4 | [prep] [num] hours ' | 58 |
|
| 5 | after [num] hours [unc] | 15 |
|
| 6 | after [num] hours [unc] | 15 |
|
| 7 | of [num] hours [unc] | 11 |
|
| 8 | of [num] hours [unc] | 11 |
|
| 9 | to [num] hours [unc] | 10 |
|
| 10 | to [num] hours [unc] | 10 |
|
| 11 | at [num] hours [unc] | 7 |
|
| 12 | [prep] two hours [unc] | 7 |
|
| 13 | [prep] four hours [unc] | 7 |
|
| 14 | [prep] three hours [unc] | 7 |
|
| 15 | at [num] hours [unc] | 7 |
|
| 16 | for [num] hours [unc] | 6 |
|
| 17 | for [num] hours [unc] | 6 |
|
| 18 | on [num] hours [unc] | 5 |
|
| 19 | on [num] hours [unc] | 5 |
|
| 20 | [prep] eight hours [unc] | 5 |
|
