| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a history [prep] | 574 |
|
| 2 | [vb pp] a [prep] | 35 |
|
| 3 | [vb pp] history [prep] | 16 |
|
| 4 | [vb pp] a history | 15 |
|
