| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [conj] | 2818 |
|
| 2 | it [adv] happened | 180 |
|
| 3 | [adv] happened [conj] | 109 |
|
| 4 | it happened [conj] | 92 |
|
