| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] a [noun] [prep] | 9854 |
|
| 2 | [verb] [vb pp] a [noun sg] [prep] | 9616 |
|
| 3 | [verb] [vb pp] [art] problem [prep] | 113 |
|
| 4 | [verb] [vb pp] [art] problem [prep] | 113 |
|
| 5 | [verb] [verb] a problem [prep] | 72 |
|
| 6 | [verb] [vb pp] a problem [prep] | 50 |
|
| 7 | [verb] [vb pp] a problem [prep] | 50 |
|
| 8 | [verb] [vb pp] a problem [prep] | 50 |
|
