| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long history of | 30 |
|
| 2 | [prep] a long history of | 30 |
|
| 3 | [prep] a long history of | 29 |
|
| 4 | with a long history of | 15 |
|
| 5 | with a long history of | 15 |
|
| 6 | of a long history of | 5 |
|
| 7 | of a long history of | 5 |
|
