| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [verb] [prep] | 17588 |
|
| 2 | they had [verb] [prep] | 1733 |
|
| 3 | they had been [verb] | 1281 |
|
| 4 | they had been [prep] | 205 |
|
| 5 | they been [verb] [prep] | 24 |
|
