| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | level of [num] [unc] | 46 |
|
| 2 | level of [num] [no cls] | 46 |
|
| 3 | level of [num] per | 40 |
|
| 4 | level of [num] per | 40 |
|
| 5 | level of [num] [unc] | 39 |
|
| 6 | levels of [num] [unc] | 7 |
|
| 7 | level of 50 [unc] | 5 |
|
