| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] that can [be] | 1400 |
|
| 2 | problem that [modal v] [be] | 37 |
|
| 3 | problem that [vb mod] [be] | 37 |
|
| 4 | problem [conj] can [be] | 11 |
|
| 5 | problem that can [be] | 7 |
|
| 6 | problem that can [be] | 7 |
|
