| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] in [noun prp] | 137 |
|
| 2 | who have been [v-ing] in | 68 |
|
| 3 | who have been in [noun prp] | 26 |
|
| 4 | who have been [v-ing] [noun prp] | 26 |
|
