| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [vb pp] [to-vb] [noun sg] | 111 |
|
| 2 | had [vb pp] [to-vb] an [noun sg] | 43 |
|
| 3 | been [vb pp] [to-vb] an [noun sg] | 28 |
|
| 4 | had been [vb pp] an [noun sg] | 18 |
|
| 5 | had been [vb pp] [to-vb] an | 15 |
|
