| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [adj] | 7252 |
|
| 2 | have [been] [det] | 2438 |
|
| 3 | [verb] [been] [det] | 2438 |
|
| 4 | [vb past] [been] [det] | 569 |
|
| 5 | had [be] [det] | 535 |
|
