| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the past [adj] years i | 27 |
|
| 2 | the past [num] years i | 21 |
|
| 3 | the past two years i | 10 |
|
| 4 | the past two years i | 10 |
|
| 5 | the past few years i | 6 |
|
| 6 | the past [det] years i | 6 |
|
| 7 | the past few years i | 6 |
|
