| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been the subject [prep] some | 11 |
|
| 2 | have been [art] subject [prep] some | 11 |
|
| 3 | have been [art] subject of some | 11 |
|
| 4 | have been [art] subject of some | 11 |
|
| 5 | have been [art] subject [prep] some | 11 |
|
| 6 | have been the subject [prep] some | 11 |
|
| 7 | has been [art] subject [prep] some | 10 |
|
