| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at the [det] rate | 16 |
|
| 2 | be [verb] at the same rate | 16 |
|
| 3 | be [v-ing] at the [det] rate | 9 |
|
| 4 | be [vb pp] at the [det] rate | 6 |
|
| 5 | were [verb] at the [det] rate | 5 |
|
| 6 | are [verb] at the [det] rate | 5 |
|
