| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb -s] been [v-ing] | 283 |
|
| 2 | [vb -s] been [v-ing] in | 198 |
|
| 3 | who [vb -s] been in | 62 |
|
| 4 | who [vb -s] [v-ing] in | 5 |
|
