| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | working [num] hours | 30 |
|
| 2 | [v-ing] 24 hours | 15 |
|
| 3 | lasting [num] hours | 14 |
|
| 4 | taking [num] hours | 11 |
|
| 5 | spending [num] hours | 10 |
|
| 6 | doing [num] hours | 9 |
|
| 7 | [v-ing] six hours | 9 |
|
| 8 | [v-ing] three hours | 9 |
|
| 9 | [v-ing] two hours | 7 |
|
| 10 | [v-ing] four hours | 5 |
|
| 11 | [v-ing] fourteen hours | 5 |
|
| 12 | [v-ing] twelve hours | 5 |
|
