| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] [prep] a | 1853 |
|
| 2 | who has [been] [verb] [prep] | 223 |
|
| 3 | who has [verb] [prep] a | 41 |
|
| 4 | who has [been] [verb] a | 18 |
|
| 5 | who has [been] [prep] a | 12 |
|
