| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problems that [vb mod] [verb] in | 8 |
|
| 2 | problems that [vb mod] [vb infin] in | 8 |
|
| 3 | problems that [vb mod] arise in | 6 |
|
| 4 | problems that [vb mod] arise in | 6 |
|
