| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what have been [verb] [prep] a | 22 |
|
| 2 | what have been [vb pp] [prep] a | 19 |
|
| 3 | what have been [verb] as a | 17 |
|
| 4 | what have been [verb] as a | 17 |
|
| 5 | what has been [verb] [prep] a | 15 |
|
| 6 | what have been describe [prep] a | 8 |
|
| 7 | what have been described [prep] a | 8 |
|
| 8 | what had been [verb] [prep] a | 5 |
|
