| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] to | 5419 |
|
| 2 | [adv] [adv] to | 3662 |
|
| 3 | once [adv] [prep] | 813 |
|
| 4 | once [adv] to | 143 |
|
| 5 | once [adv] to | 138 |
|
