| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [conj] | 2818 |
|
| 2 | it [adv] happens | 195 |
|
| 3 | [adv] happens [conj] | 161 |
|
| 4 | it happens [conj] | 50 |
|
