| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not be [adv] [verb] but | 11 |
|
| 2 | not be [adv] [vb pp] but | 11 |
|
| 3 | not been [adv] [verb] but | 6 |
|
| 4 | not be [adv] [verb] but | 5 |
|
