| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] level of [noun sg] [prep] [art] | 22 |
|
| 2 | [det] level of [noun] [prep] [art] | 22 |
|
| 3 | [det] level of [noun] [prep] the | 14 |
|
| 4 | [det] level of [noun] [prep] [art] | 13 |
|
| 5 | [det] levels of [noun] [prep] [art] | 9 |
|
| 6 | [det] level of [noun] [prep] a | 7 |
|
| 7 | all level of [noun] [prep] [art] | 6 |
|
| 8 | that level of [noun] [prep] [art] | 5 |
|
