| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what have long been | 5 |
|
| 2 | [prep] what have long been | 5 |
|
| 3 | what have long been [verb] | 5 |
|
| 4 | what have long been [vb pp] | 5 |
|
