| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] [vb infin] been for | 8 |
|
| 2 | [vb mod] [adv] have been for | 8 |
|
| 3 | [vb mod] [adv] have been for | 8 |
|
| 4 | could [adv] [verb] been for | 6 |
|
| 5 | [vb mod] [not/n't] [verb] been for | 6 |
|
| 6 | [vb mod] not [verb] been for | 6 |
|
