| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a long history of | 61 |
|
| 2 | have a long history of | 52 |
|
| 3 | [vb -s] a long history of | 22 |
|
| 4 | has a long history of | 22 |
|
| 5 | [vb base] a long history of | 20 |
|
| 6 | have a long history of | 18 |
|
| 7 | [vb past] a long history of | 10 |
|
| 8 | had a long history of | 8 |
|
| 9 | [vb pp] a long history of | 5 |
|
