| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] that could [verb] | 919 |
|
| 2 | problem that [vb mod] [verb] | 98 |
|
| 3 | problem that [modal v] [verb] | 98 |
|
| 4 | problem [conj] could [verb] | 13 |
|
| 5 | problem that could [verb] | 11 |
|
