| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [adv] at [art] | 626 |
|
| 2 | [to-vb] [adv] at [art] | 298 |
|
| 3 | [verb] hard at [art] | 61 |
|
| 4 | [to-vb] hard [prep] [art] | 30 |
|
| 5 | [to-vb] hard [prep] [art] | 30 |
|
| 6 | [to-vb] hard at [art] | 10 |
|
| 7 | [to-vb] hard at [art] | 10 |
|
| 8 | [to-vb] hard at [art] | 10 |
|
