| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | high level of [noun] [vb pp] | 28 |
|
| 2 | high level [prep] [noun sg] [vb pp] | 28 |
|
| 3 | high level [prep] [noun] [vb pp] | 28 |
|
| 4 | high level of [noun] [vb pp] | 28 |
|
| 5 | high level [prep] [noun] [vb pp] | 18 |
|
| 6 | high level [prep] [noun] [vb pp] | 15 |
|
| 7 | high levels [prep] [noun] [vb pp] | 13 |
|
| 8 | higher level [prep] [noun] [vb pp] | 7 |
|
| 9 | high level [prep] [noun] required | 5 |
|
