| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] be in | 55 |
|
| 2 | who [vb base] been in | 52 |
|
| 3 | who [vb base] [been] in | 52 |
|
| 4 | who have [be] in | 43 |
|
| 5 | who 've [be] in | 9 |
|
