| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] [noun] | 16057 |
|
| 2 | had been [vb pp] [prep] | 15645 |
|
| 3 | had [vb pp] [prep] [noun] | 7593 |
|
| 4 | had been [prep] [noun] | 1251 |
|
| 5 | had been [vb pp] [noun] | 487 |
|
