| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [adj] | 7252 |
|
| 2 | had [been] [det] | 529 |
|
| 3 | [verb] [been] several | 129 |
|
| 4 | have [been] several | 129 |
|
| 5 | had [been] several | 32 |
|
| 6 | [vb past] [been] several | 32 |
|
| 7 | had [be] several | 32 |
|
