| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | low level of [noun] [vb pp] | 9 |
|
| 2 | low level of [noun] [vb pp] | 9 |
|
| 3 | low level [prep] [noun] [vb pp] | 9 |
|
| 4 | low level [prep] [noun sg] [vb pp] | 8 |
|
| 5 | low level [prep] [noun] [vb pp] | 6 |
|
