| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] at [art] rate | 13 |
|
| 2 | [verb] [adv prt] at a rate | 8 |
|
| 3 | [verb] [adv prt] at a rate | 8 |
|
| 4 | [vb pp] [adv prt] at [art] rate | 6 |
|
| 5 | [verb] [adv prt] at the rate | 5 |
|
| 6 | [verb] out at [art] rate | 5 |
|
| 7 | [verb] [adv prt] at the rate | 5 |
|
