| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] since 1985 | 7 |
|
| 2 | [verb] [vb pp] since 1985 | 7 |
|
| 3 | [be] [vb pp] since 1985 | 6 |
|
| 4 | be [vb pp] since 1985 | 6 |
|
| 5 | been [vb pp] since 1985 | 6 |
|
| 6 | [been] [vb pp] since 1985 | 6 |
|
