| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of [noun] [subord] | 11673 |
|
| 2 | level of [noun] [conj] | 1179 |
|
| 3 | level [prep] [noun] [subord] | 181 |
|
| 4 | level [prep] [noun] [subord] | 181 |
|
| 5 | level of [noun] [subord] | 175 |
|
