| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been missing for [num] | 10 |
|
| 2 | [Wh pn] [verb] been missing for [num] | 7 |
|
| 3 | who [verb] been missing for [num] | 7 |
|
| 4 | who [verb] been missing for [num] | 7 |
|
| 5 | [pron] [vb past] been missing for [num] | 5 |
|
