| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] [prep] three [noun] | 21 |
|
| 2 | [vb past] been [vb pp] [prep] three [noun pl] | 20 |
|
| 3 | [vb past] been [vb pp] by three [noun] | 6 |
|
| 4 | [vb past] been [vb pp] [prep] three years | 5 |
|
| 5 | [vb past] been [vb pp] for three [noun] | 5 |
|
| 6 | [vb past] been [vb pp] [prep] three year | 5 |
|
