| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] level of [noun] [prep] [art] | 369 |
|
| 2 | [adj] level of [noun] [prep] [art] | 290 |
|
| 3 | different [noun] of [noun] [prep] [art] | 200 |
|
| 4 | different level of [noun] [prep] [art] | 13 |
|
| 5 | different level of [noun] [prep] [art] | 13 |
|
| 6 | different level of [noun] [prep] [art] | 13 |
|
| 7 | different level [prep] [noun] [prep] [art] | 13 |
|
