| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [verb] [pron] | 1983 |
|
| 2 | it [adv] [verb] [pron] | 1851 |
|
| 3 | [pron] often [verb] [pron] | 319 |
|
| 4 | it often [verb] [pron] | 14 |
|
