| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that had been [verb] on | 32 |
|
| 2 | that had be [verb] on | 32 |
|
| 3 | that had be [verb] on | 32 |
|
| 4 | that had be [vb pp] on | 26 |
|
| 5 | that had be [v-ing] on | 6 |
|
