| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] had been [prep] | 143 |
|
| 2 | [coord] had been [prep] | 83 |
|
| 3 | but [verb] been [prep] | 17 |
|
| 4 | but have been [prep] | 17 |
|
| 5 | but [vb past] been [prep] | 5 |
|
| 6 | but had been [prep] | 5 |
|
| 7 | but had [be] [prep] | 5 |
|
| 8 | but had be [prep] | 5 |
|
| 9 | but had [been] [prep] | 5 |
|
