| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the first level certificate in | 5 |
|
| 2 | [prep] the first level [noun sg] in | 5 |
|
| 3 | [prep] the first level certificate in | 5 |
|
| 4 | for the first level [noun] in | 5 |
|
