| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] few hours | 333 |
|
| 2 | [prep] [art] few [prep] | 155 |
|
| 3 | [art] few hours [prep] | 150 |
|
| 4 | [prep] [art] hours [prep] | 107 |
|
