| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been [prep] | 1920 |
|
| 2 | which [verb] been [prep] | 225 |
|
| 3 | which have been [prep] | 225 |
|
| 4 | which [vb past] been [prep] | 113 |
|
| 5 | which had be [prep] | 113 |
|
| 6 | which had [be] [prep] | 113 |
|
| 7 | which had [been] [prep] | 113 |
|
