| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not have been for | 6 |
|
| 2 | [vb mod] not have been for | 6 |
|
| 3 | could not have been for | 5 |
|
| 4 | could not have been for | 5 |
|
| 5 | not have been [adj] for | 42 |
|
| 6 | not have been [adj] for | 37 |
|
| 7 | not have been [verb] for | 15 |
|
| 8 | not have been [vb pp] for | 11 |
|
| 9 | not have been easy for | 9 |
|
| 10 | not have been easy for | 9 |
|
| 11 | not have been possible for | 7 |
|
| 12 | not have been good for | 7 |
|
| 13 | not have been possible for | 7 |
|
| 14 | not have been better for | 5 |
|
| 15 | not have been [adj -er] for | 5 |
|
