| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun pl] ratio [prep] | 7 |
|
| 2 | an [noun pl] ratio of | 7 |
|
| 3 | an [noun pl] ratio [prep] | 7 |
|
| 4 | an [noun pl] ratio of | 7 |
|
