| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a report [prep] [art] [noun] | 597 |
|
| 2 | a report [prep] [art] [noun pl] | 66 |
|
| 3 | a [noun] [prep] [art] errors | 23 |
|
| 4 | a report [prep] [art] error | 17 |
|
| 5 | a report [prep] [art] errors | 17 |
|
| 6 | [art] report [prep] [art] errors | 17 |
|
