| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and level of [noun] be [vb pp] | 6 |
|
| 2 | and level [prep] [noun sg] be [vb pp] | 6 |
|
| 3 | and level of [noun] be [vb pp] | 6 |
|
| 4 | and level [prep] [noun] be [vb pp] | 6 |
|
| 5 | and levels [prep] [noun] be [vb pp] | 5 |
|
