| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] [prep] a | 1853 |
|
| 2 | it has [been] [verb] [prep] | 981 |
|
| 3 | it has [verb] [prep] a | 69 |
|
| 4 | it has [been] [verb] a | 20 |
|
| 5 | it has [been] [prep] a | 6 |
|
