| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who has be [verb] for | 39 |
|
| 2 | who has [been] [verb] for | 39 |
|
| 3 | who has been [verb] for | 39 |
|
| 4 | who has [be] [v-ing] for | 23 |
|
| 5 | who has [be] [vb pp] for | 16 |
|
