| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [verb] [prep] | 17588 |
|
| 2 | [been] [verb] [prep] [det] | 3970 |
|
| 3 | had [verb] [prep] [det] | 1358 |
|
| 4 | had [been] [verb] [det] | 356 |
|
| 5 | had [been] [prep] [det] | 171 |
|
