| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] at [art] rate of | 26 |
|
| 2 | is [verb] at [art] rate of | 26 |
|
| 3 | is [v-ing] at [art] rate of | 21 |
|
| 4 | is [verb] at a rate of | 16 |
|
| 5 | is [verb] at a rate of | 16 |
|
| 6 | is [verb] at the rate of | 10 |
|
| 7 | is [verb] at the rate of | 10 |
|
| 8 | is growing at [art] rate of | 8 |
|
| 9 | is grow at [art] rate of | 8 |
|
| 10 | is increasing at [art] rate of | 7 |
|
| 11 | is increase at [art] rate of | 7 |
|
| 12 | is [vb pp] at [art] rate of | 5 |
|
