| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been for [noun pl] | 30 |
|
| 2 | [vb past] [been] for [noun pl] | 30 |
|
| 3 | had [been] for [noun pl] | 26 |
|
| 4 | [vb past] [been] for years | 8 |
|
