| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [art] few minutes | 9 |
|
| 2 | back [prep] [art] few minute | 9 |
|
| 3 | back [prep] [art] few minute | 9 |
|
| 4 | back [prep] a few minute | 8 |
|
| 5 | back [prep] a few minute | 8 |
|
| 6 | back in [art] few minute | 7 |
|
