| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] for many | 23 |
|
| 2 | [vb past] been [verb] for many | 23 |
|
| 3 | [vb past] been [verb] for many | 23 |
|
| 4 | [vb past] been [vb pp] for many | 15 |
|
| 5 | [vb past] been [v-ing] for many | 8 |
|
| 6 | [vb past] been used for many | 5 |
|
| 7 | [vb past] been use for many | 5 |
|
