| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] had [been] [prep] | 239 |
|
| 2 | had [been] [prep] [det] | 171 |
|
| 3 | [noun pl] had [prep] [det] | 30 |
|
| 4 | [noun pl] had [been] [det] | 12 |
|
