| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [vb pp] [prep] [det] reason | 6 |
|
| 2 | [vb past] [been] [vb pp] [prep] [det] reason | 6 |
|
| 3 | [vb past] been [vb pp] [prep] [det] reason | 6 |
|
| 4 | [vb past] [been] [vb pp] for [det] reason | 6 |
|
