| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj -er] rate [subord] [art] | 17 |
|
| 2 | a [adj -er] rate [conj] [art] | 17 |
|
| 3 | a [adj -er] rate [conj] the | 16 |
|
| 4 | a [adj -er] rate than [art] | 15 |
|
| 5 | a [adj -er] rate than [art] | 15 |
|
| 6 | a faster rate [conj] [art] | 6 |
|
