| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] at a [adj] rate | 21 |
|
| 2 | [verb] [adv prt] at a [adj] rate | 19 |
|
| 3 | [verb] [adv prt] at a [adj] rate | 12 |
|
| 4 | [verb] [adv prt] at an [adj] rate | 9 |
|
| 5 | [v-ing] [adv prt] at a [adj] rate | 8 |
|
