| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] of [noun] [noun] [prep] | 23273 |
|
| 2 | [noun pl] of [noun] [noun] [prep] | 3987 |
|
| 3 | level of [noun] [noun] [prep] | 209 |
|
| 4 | levels [prep] [noun] [noun] [prep] | 84 |
|
| 5 | levels [prep] [noun] [noun] [prep] | 84 |
|
| 6 | levels of [noun] [noun] [prep] | 74 |
|
