| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [num] years ago [pers pn] | 6 |
|
| 2 | [prep] [num] years ago [conj] [pers pn] | 7 |
|
| 3 | [prep] [num] years ago [pers pn] [verb] | 5 |
|
