| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [adj] levels | 21 |
|
| 2 | [v-ing] at [adj] level | 19 |
|
| 3 | [v-ing] at different level | 12 |
|
| 4 | working at [adj] level | 5 |
|
