| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] or [num] years ago [pers pn] | 13 |
|
| 2 | [adj] or [num] years ago [pers pn] | 13 |
|
| 3 | or [num] years ago [conj] [pers pn] | 5 |
|
| 4 | or [num] years ago [pers pn] [vb mod] | 5 |
|
| 5 | or [num] years ago [pers pn] [modal v] | 5 |
|
