| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [adj -er] levels | 40 |
|
| 2 | at the [adj -er] levels | 40 |
|
| 3 | at [art] [adj -er] levels | 40 |
|
| 4 | at [art] lower levels | 27 |
|
| 5 | at [art] higher levels | 12 |
|
