| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [verb] to | 933 |
|
| 2 | [pron] [adv] happen to | 158 |
|
| 3 | it [adv] happen [prep] | 73 |
|
| 4 | it [adv] happen [prep] | 73 |
|
| 5 | it [adv] happen to | 40 |
|
