| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [to-vb] at [adv] | 21 |
|
| 2 | [adv] [to-vb] at least | 18 |
|
| 3 | [adv] [to-vb] at once | 9 |
|
| 4 | [not/n't] [to-vb] at [adv] | 7 |
|
| 5 | not [to-vb] at [adv] | 7 |
|
| 6 | [adv prt] [to-vb] at [adv] | 7 |
|
| 7 | not [to-vb] at [adv] | 7 |
|
