| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | level [prep] [noun] [noun] [vb pp] | 40 |
|
| 2 | level of [noun] [noun] [vb pp] | 38 |
|
| 3 | level of [noun] [noun] [vb pp] | 38 |
|
| 4 | level [prep] [noun sg] [noun] [vb pp] | 36 |
|
| 5 | level [prep] [noun] [noun sg] [vb pp] | 31 |
|
| 6 | level [prep] [noun] [noun] [vb pp] | 29 |
|
| 7 | levels [prep] [noun] [noun] [vb pp] | 11 |
|
| 8 | level [prep] [noun] [noun pl] [vb pp] | 9 |
|
| 9 | level [prep] [noun] [noun] required | 5 |
|
