| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [vb mod] [verb] [prep] | 1490 |
|
| 2 | problems that [vb mod] [verb] | 76 |
|
| 3 | problems [vb mod] [verb] [prep] | 59 |
|
| 4 | problems that [verb] [prep] | 46 |
|
