| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not be [vb pp] at all | 61 |
|
| 2 | not be [vb pp] at all | 42 |
|
| 3 | not been [vb pp] at all | 18 |
|
| 4 | not be used at all | 5 |
|
