| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | rate [prep] [num] a [noun sg] | 37 |
|
| 2 | rate of [num] a [noun sg] | 37 |
|
| 3 | rate of [num] a [noun sg] | 37 |
|
| 4 | rate [prep] [num] a [noun sg] | 37 |
|
| 5 | rate [prep] [num] a day | 17 |
|
| 6 | rate [prep] [num] a year | 9 |
|
| 7 | rate [prep] [num] a week | 5 |
|
