| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been missing for [adj] [noun pl] | 15 |
|
| 2 | [verb] been missing for [adj] [noun pl] | 15 |
|
| 3 | [vb past] been missing for [adj] [noun pl] | 9 |
|
| 4 | had been missing for [adj] [noun pl] | 7 |
|
| 5 | [vb -s] been missing for [adj] [noun pl] | 5 |
|
