| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problem [prep] what [verb] [prep] the | 7 |
|
| 2 | problem [prep] what do [prep] the | 7 |
|
| 3 | problem of what [verb] [prep] the | 7 |
|
| 4 | problem [prep] what [to-vb] [prep] the | 7 |
|
| 5 | problem [prep] what to do [prep] the | 7 |
|
| 6 | problem [prep] what [verb] with the | 5 |
|
