| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] [adj] | 1540 |
|
| 2 | [verb] to have been [adj] | 594 |
|
| 3 | [verb] to have been [v-ing] | 152 |
|
| 4 | to have been [v-ing] [adj] | 20 |
|
