| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | over the past month | 21 |
|
| 2 | over [art] past month | 21 |
|
| 3 | over [art] past month | 21 |
|
| 4 | over [art] past month | 11 |
|
| 5 | over [art] past months | 10 |
|
