| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] problem [pron] | 272 |
|
| 2 | [art] [adj] problem was | 193 |
|
| 3 | [art] [adj] was [pron] | 41 |
|
| 4 | [adj] problem was [pron] | 22 |
|
| 5 | [art] problem was [pron] | 15 |
|
