| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at the rate | 34 |
|
| 2 | be [v-ing] at a rate | 33 |
|
| 3 | is [v-ing] at [art] rate | 22 |
|
| 4 | are [v-ing] at [art] rate | 15 |
|
| 5 | be growing at [art] rate | 13 |
|
| 6 | be increasing at [art] rate | 10 |
|
| 7 | was [v-ing] at [art] rate | 8 |
|
| 8 | been [v-ing] at [art] rate | 8 |
|
| 9 | were [v-ing] at [art] rate | 6 |
|
| 10 | be [v-ing] at [art] rate | 6 |
|
| 11 | be dying at [art] rate | 5 |
|
| 12 | be collapsing at [art] rate | 5 |
|
