| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] some thought to | 5 |
|
| 2 | have been [verb] some thought [prep] | 5 |
|
| 3 | have been [verb] some thought to | 5 |
|
| 4 | have been [verb] some thought [prep] | 5 |
|
