| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [verb] | 17890 |
|
| 2 | it [adv] [verb] | 17250 |
|
| 3 | [pron] often [verb] | 2494 |
|
| 4 | it often [verb] | 280 |
|
