| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [vb pp] for [noun pl] | 61 |
|
| 2 | [been] [vb pp] for several [noun pl] | 20 |
|
| 3 | had [been] [vb pp] several [noun pl] | 20 |
|
| 4 | had [vb pp] for several [noun pl] | 17 |
|
| 5 | had [been] [vb pp] for several | 7 |
|
