| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [vb pp] [prep] [det] | 600 |
|
| 2 | [been] [vb pp] [prep] [det] of | 158 |
|
| 3 | had [vb pp] [prep] [det] of | 56 |
|
| 4 | had [been] [prep] [det] of | 9 |
|
