| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] for [noun] | 215 |
|
| 2 | have been [vb pp] for century | 32 |
|
| 3 | [verb] been [vb pp] for century | 32 |
|
| 4 | had been [vb pp] [prep] century | 8 |
|
| 5 | had been [vb pp] [prep] century | 8 |
|
| 6 | had been [verb] for century | 7 |
|
| 7 | had [be] [vb pp] for century | 6 |
|
| 8 | had been [vb pp] for century | 6 |
|
| 9 | [vb past] been [vb pp] for century | 6 |
|
| 10 | had [been] [vb pp] for century | 6 |
|
| 11 | had be [vb pp] for century | 6 |
|
