| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what they [verb] been [prep] | 7 |
|
| 2 | what they have been [prep] | 7 |
|
| 3 | what they [verb] been [prep] | 7 |
|
| 4 | what they [vb past] been [prep] | 6 |
|
