| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] to | 55489 |
|
| 2 | [adv] [v-ing] to | 5408 |
|
| 3 | [adv] happen to | 484 |
|
| 4 | [adv] happening [prep] | 105 |
|
| 5 | [adv] happening [prep] | 105 |
|
| 6 | [adv] happening to | 18 |
|
