| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [noun] that [vb mod] [verb] | 435 |
|
| 2 | [adj] problem that [vb mod] [verb] | 46 |
|
| 3 | [det] problem [conj] [vb mod] [verb] | 17 |
|
| 4 | [det] problem that [modal v] [verb] | 14 |
|
