| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] [pron] | 981 |
|
| 2 | would have been [prep] [pron] | 50 |
|
| 3 | would have been [v-ing] [prep] | 50 |
|
| 4 | would have been [v-ing] [pron] | 13 |
|
