| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun prp] [noun] [prep] | 6796 |
|
| 2 | level of [noun] [prep] | 1805 |
|
| 3 | level of [noun prp] [noun] | 64 |
|
| 4 | level of [noun prp] [prep] | 11 |
|
