| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after it had be [vb pp] [prep] | 23 |
|
| 2 | after it had been [vb pp] [prep] | 23 |
|
| 3 | after it had be [vb pp] by | 10 |
|
| 4 | after it had be [vb pp] in | 5 |
|
