| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the problems that [verb] [prep] | 14 |
|
| 2 | the problems that [vb base] [prep] | 10 |
|
| 3 | the problems that arise [prep] | 8 |
|
| 4 | the problems that [verb] in | 6 |
|
