| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [adv prt] at the | 18 |
|
| 2 | had be [verb] [adv prt] at the | 18 |
|
| 3 | had be [vb pp] [adv prt] at the | 16 |
|
| 4 | had be [verb] off at the | 5 |
|
