| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] it | 18575 |
|
| 2 | [adv] it happen | 200 |
|
| 3 | [adv] [vb infin] happen | 196 |
|
| 4 | [vb infin] it happen | 111 |
|
