| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] level of [noun] that | 101 |
|
| 2 | [art] level of [noun sg] that | 86 |
|
| 3 | the level of [noun] that | 76 |
|
| 4 | the level of [noun] that | 76 |
|
| 5 | a level of [noun] that | 25 |
|
| 6 | a level of [noun] that | 25 |
|
| 7 | [art] level of [noun pl] that | 14 |
|
| 8 | [art] level of service that | 9 |
|
| 9 | [art] level of service that | 7 |
|
