| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] [art] | 1987 |
|
| 2 | have been [v-ing] in [prep] | 31 |
|
| 3 | have been in [prep] [art] | 17 |
|
| 4 | been [v-ing] in [prep] [art] | 14 |
|
