| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [adv] be see | 12 |
|
| 2 | who [verb] [adv] been see | 12 |
|
| 3 | who [verb] [adv] be seen | 11 |
|
| 4 | who [verb] [not/n't] be see | 8 |
|
| 5 | who [verb] not be see | 8 |
|
| 6 | who [vb past] [adv] be see | 7 |
|
| 7 | who had [adv] be see | 7 |
|
| 8 | who [verb] not be see | 6 |
|
