| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] missing for [adj] | 6 |
|
| 2 | [vb -s] be missing for [adj] | 6 |
|
| 3 | [vb -s] been missing for [adj] | 6 |
|
| 4 | [vb -s] [be] missing for [num] | 5 |
|
