| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [verb] [adv] [verb] | 128 |
|
| 2 | [adv] it [verb] [adv] [vb pp] | 98 |
|
| 3 | [adv] it [verb] [adv] happened | 11 |
|
| 4 | [adv] [pron] [verb] [adv] happened | 11 |
|
| 5 | [adv] it [verb] [adv] happen | 9 |
|
