| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [verb] at [art] rate of | 22 |
|
| 2 | [am/are] [verb] at [art] rate of | 22 |
|
| 3 | are [verb] at [art] rate of | 20 |
|
| 4 | [am/are] [v-ing] at [art] rate of | 14 |
|
| 5 | [am/are] [verb] at the rate of | 13 |
|
| 6 | [am/are] [verb] at the rate of | 13 |
|
| 7 | [am/are] [verb] at a rate of | 9 |
|
| 8 | [am/are] [verb] at a rate of | 9 |
|
| 9 | [am/are] [vb pp] at [art] rate of | 8 |
|
