| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | rate [prep] 10 [no cls] | 18 |
|
| 2 | rate [prep] 10 per | 17 |
|
| 3 | rate of 10 [no cls] | 16 |
|
| 4 | rate of 10 [no cls] | 16 |
|
