| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at [art] higher rate | 7 |
|
| 2 | be [verb] at [art] higher rate | 7 |
|
| 3 | [verb] [noun] at [art] higher rate | 6 |
|
| 4 | [verb] at [art] higher rate [conj] | 7 |
|
| 5 | [verb] at [art] higher rate than | 6 |
|
| 6 | [verb] at [art] higher rate [subord] | 6 |
|
| 7 | [verb] at [art] higher rate than | 6 |
|
