| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | problems [that] [modal v] [verb] [prep] the | 8 |
|
| 2 | problems [conj] [modal v] [verb] [prep] the | 8 |
|
| 3 | problems that [modal v] [verb] [prep] the | 8 |
|
| 4 | problems that [modal v] [verb] [prep] the | 8 |
|
| 5 | problems [conj] [modal v] [vb infin] [prep] the | 8 |
|
| 6 | problems [conj] [vb mod] [verb] [prep] the | 8 |
|
