| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] [verb] to | 4216 |
|
| 2 | [adv] [adv] happen [prep] | 75 |
|
| 3 | [adv] [adv] happen [prep] | 75 |
|
| 4 | [adv] [adv] happen to | 18 |
|
| 5 | [adv] [adv] happen to | 18 |
|
