| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] a | 6354 |
|
| 2 | they have been [verb] [prep] | 1308 |
|
| 3 | they have [verb] [prep] a | 314 |
|
| 4 | they have been [verb] a | 72 |
|
| 5 | they have been [prep] a | 34 |
|
