| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [prep] a | 1853 |
|
| 2 | [adv] been [verb] [prep] a | 775 |
|
| 3 | [adv] has been [verb] [prep] | 144 |
|
| 4 | [adv] has [verb] [prep] a | 37 |
|
| 5 | [adv] has been [verb] a | 6 |
|
