| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] [vb pp] a | 17300 |
|
| 2 | [pron] [verb] a history | 60 |
|
| 3 | [verb] [vb pp] a history | 11 |
|
| 4 | [pron] [verb] [vb pp] history | 7 |
|
