| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be found [prep] | 38 |
|
| 2 | must [be] found [prep] | 38 |
|
| 3 | must be found [prep] | 38 |
|
| 4 | must [be] found for | 12 |
|
| 5 | must [be] found of | 8 |
|
| 6 | must [be] found in | 6 |
|
