| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the past [num] years it | 14 |
|
| 2 | over the past [adj] years it | 7 |
|
| 3 | for the past [adj] years it | 6 |
|
| 4 | [prep] the past few years it | 5 |
|
| 5 | [prep] the past [det] years it | 5 |
|
| 6 | in the past [adj] years it | 5 |
|
| 7 | [prep] the past few years it | 5 |
|
