| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] | 55525 |
|
| 2 | have been [v-ing] [prep] | 6057 |
|
| 3 | have been [v-ing] [verb] | 1071 |
|
| 4 | been [v-ing] [verb] [prep] | 159 |
|
