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