| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] that [verb] [prep] | 546 |
|
| 2 | [adj] problems [verb] [prep] | 510 |
|
| 3 | [adj] problems that [verb] | 74 |
|
| 4 | problems that [verb] [prep] | 46 |
|
