| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] who [verb] missing [prep] | 5 |
|
| 2 | who [verb] [be] missing [prep] | 20 |
|
| 3 | who [verb] [been] missing [prep] | 20 |
|
| 4 | who [verb] be missing [prep] | 20 |
|
| 5 | who [verb] been missing [prep] | 20 |
|
