| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [adj] [prep] several | 12 |
|
| 2 | had been [adj] [prep] several | 12 |
|
| 3 | had been [adj] for several | 8 |
|
| 4 | had been [adj] for several | 8 |
|
