| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] a history [prep] | 8 |
|
| 2 | have [vb pp] a history of | 7 |
|
| 3 | have had a history [prep] | 5 |
|
| 4 | has [vb pp] a history [prep] | 5 |
|
