| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] | 6057 |
|
| 2 | have all been [v-ing] | 53 |
|
| 3 | have all been [prep] | 45 |
|
| 4 | all been [v-ing] [prep] | 22 |
|
