| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] a | 886 |
|
| 2 | [adv] been [verb] [prep] a | 775 |
|
| 3 | [adv] have been [verb] [prep] | 87 |
|
| 4 | [adv] have [verb] [prep] a | 36 |
|
