| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been missing for | 27 |
|
| 2 | have [been] missing for | 27 |
|
| 3 | have be missing for | 27 |
|
| 4 | had [be] missing for | 13 |
|
| 5 | has [be] missing for | 6 |
|
