| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] at the [noun] | 124 |
|
| 2 | be [v-ing] at the rate | 34 |
|
| 3 | [be] [v-ing] at the rate | 34 |
|
| 4 | is [v-ing] at [art] rate | 22 |
|
| 5 | is [verb] at the rate | 11 |
|
| 6 | [is] [v-ing] at the rate | 8 |
|
| 7 | is [v-ing] [prep] the rate | 8 |
|
