| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been at [adv] [adj] [noun pl] | 8 |
|
| 2 | had be at [adv] [adj] [noun pl] | 8 |
|
| 3 | had be at least [adj] [noun pl] | 7 |
|
| 4 | had be at [adv] [num] [noun pl] | 7 |
|
