| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [art] [det] hours | 159 |
|
| 2 | [v-ing] for [art] [det] | 151 |
|
| 3 | [v-ing] [art] [det] hours | 11 |
|
| 4 | [v-ing] for [det] hours | 6 |
|
