| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] 's [vb pp] a | 1810 |
|
| 2 | 's [vb pp] a problem | 11 |
|
| 3 | [pers pn] 's [vb pp] problem | 10 |
|
| 4 | [pers pn] [vb pp] a problem | 8 |
|
