| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who 's been [prep] | 34 |
|
| 2 | who 's be [prep] | 34 |
|
| 3 | who 's be in | 15 |
|
| 4 | who 's be in | 15 |
|
| 5 | who 's be on | 6 |
|
| 6 | who 's be on | 6 |
|
