| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [adv] been [adv] for a | 9 |
|
| 2 | [vb past] [adv] been [adv] for a | 9 |
|
| 3 | [vb past] [adv] been [adv prt] for a | 5 |
|
| 4 | [vb past] [adv] been [adv] for a | 5 |
|
