| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pers pn] [vb past] [adj] year ago | 11 |
|
| 2 | when [pers pn] [verb] [adj] years ago | 11 |
|
| 3 | when [pers pn] [verb] [adj] year ago | 11 |
|
| 4 | when [pers pn] [verb] [num] year ago | 11 |
|
