| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | solution [vb mod] be found to | 7 |
|
| 2 | solution [vb mod] be found to | 7 |
|
| 3 | solution [vb mod] [be] found to | 7 |
|
| 4 | solution [vb mod] [be] found to | 6 |
|
