| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [verb] been missing | 23 |
|
| 2 | who have be missing | 23 |
|
| 3 | who [vb past] be missing | 11 |
|
| 4 | who [vb -s] be missing | 10 |
|
| 5 | who had be missing | 9 |
|
| 6 | who has be missing | 6 |
|
