| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] all levels | 14 |
|
| 2 | be [verb] [prep] all level | 14 |
|
| 3 | be [vb pp] [prep] all level | 13 |
|
| 4 | be [verb] at all level | 11 |
|
