| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] [num] hours [verb] | 12 |
|
| 2 | have [verb] [num] hours [v-ing] | 7 |
|
| 3 | had [verb] [num] hours [verb] | 7 |
|
| 4 | have spend [num] hours [verb] | 5 |
|
| 5 | have spent [num] hours [verb] | 5 |
|
