| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] at [adj] level | 17 |
|
| 2 | [prep] [verb] at [adj] levels | 10 |
|
| 3 | [prep] [verb] at [adj] level | 9 |
|
| 4 | [prep] [verb] at [adj] level | 7 |
|
| 5 | [prep] [verb] at [det] level | 7 |
|
| 6 | [prep] [verb] at all level | 6 |
|
| 7 | [prep] [verb] at all level | 6 |
|
| 8 | in [verb] at [adj] level | 5 |
|
| 9 | of [verb] at [adj] level | 5 |
|
