| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] [vb mod] [vb infin] | 13174 |
|
| 2 | [noun pl] [conj] [vb mod] [vb infin] | 4325 |
|
| 3 | problem [conj] [vb mod] [vb infin] | 120 |
|
| 4 | problems [conj] [vb mod] [verb] | 91 |
|
| 5 | problems [conj] [modal v] [vb infin] | 90 |
|
