| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] [pers pn] had been [v-ing] | 10 |
|
| 2 | [vb past] [vb pp] [pers pn] have been [v-ing] | 8 |
|
| 3 | had [verb] [pers pn] have been [v-ing] | 7 |
|
