| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [art] long history of | 6 |
|
| 2 | [vb pp] [prep] [art] long history of | 6 |
|
| 3 | [vb pp] [prep] [art] long history [prep] | 6 |
|
| 4 | [vb pp] [prep] [art] long history [prep] | 6 |
|
