| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] past few years and | 15 |
|
| 2 | [prep] the past few years and | 15 |
|
| 3 | [prep] [art] past few years and | 15 |
|
| 4 | over [art] past few years and | 8 |
|
| 5 | over [art] past few years and | 8 |
|
| 6 | in [art] past few years and | 5 |
|
| 7 | in [art] past few years and | 5 |
|
