| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not been [adv] | 1186 |
|
| 2 | [verb] been [adv] since | 53 |
|
| 3 | not been [adv] since | 6 |
|
| 4 | [verb] not been since | 5 |
|
