| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [verb] [vb pp] a [noun] | 2759 |
|
| 2 | [noun sg] [verb] [vb pp] [art] problem | 29 |
|
| 3 | [noun sg] [verb] [vb pp] [art] problem | 29 |
|
| 4 | [noun sg] [verb] [verb] a problem | 20 |
|
| 5 | [noun] [verb] [vb pp] a problem | 19 |
|
| 6 | [noun sg] [verb] [vb pp] a problem | 9 |
|
