| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been [adv prt] at [noun] | 5 |
|
| 2 | had been [verb] [adv prt] at [noun] | 12 |
|
| 3 | had been [vb pp] [adv prt] at [noun] | 8 |
|
