| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [prep] some benefit | 7 |
|
| 2 | [verb] been of some benefit | 7 |
|
| 3 | [verb] been [prep] some benefit | 7 |
|
| 4 | [verb] been of some benefit | 7 |
|
| 5 | [vb -s] been [prep] some benefit | 5 |
|
