| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] than a certain | 25 |
|
| 2 | [det] than a certain | 25 |
|
| 3 | [det] than [art] certain | 25 |
|
| 4 | more than [art] certain | 20 |
|
| 5 | less than [art] certain | 5 |
|
