| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb pp] since 1945 | 14 |
|
| 2 | have [vb pp] since 1945 | 13 |
|
| 3 | had [vb pp] since 1945 | 8 |
|
| 4 | [vb past] [vb pp] since 1945 | 8 |
|
