| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] of [noun] [prep] [art] | 17941 |
|
| 2 | [art] level of [noun] [prep] [art] | 215 |
|
| 3 | [art] level of [noun] [prep] [art] | 215 |
|
| 4 | the level [prep] [noun] [prep] [art] | 199 |
|
| 5 | the level of [noun] [prep] [art] | 199 |
|
| 6 | the level of [noun] [prep] [art] | 199 |
|
| 7 | the level of [noun] [prep] [art] | 199 |
|
