| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problem that might [vb infin] | 21 |
|
| 2 | problem that might [verb] | 21 |
|
| 3 | problems that might [verb] | 18 |
|
| 4 | problem that might arise | 7 |
|
| 5 | problem that might arise | 7 |
|
| 6 | problem that might occur | 6 |
|
| 7 | problem that might occur | 6 |
|
