| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for a | 548 |
|
| 2 | they have been [verb] for | 161 |
|
| 3 | they have been [verb] a | 71 |
|
| 4 | they have [verb] for a | 47 |
|
| 5 | they have been for a | 6 |
|
