| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] level of [noun] [prep] | 515 |
|
| 2 | level of [noun] [verb] [prep] | 223 |
|
| 3 | [adj] of [noun] [verb] [prep] | 162 |
|
| 4 | [adj] level of [noun] [verb] | 146 |
|
| 5 | [adj] level of [verb] [prep] | 22 |
|
