| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [is] [verb] | 1816 |
|
| 2 | [adv] it [is] [verb] | 1080 |
|
| 3 | often [pron] [is] [verb] | 26 |
|
| 4 | often it [be] [verb] | 25 |
|
| 5 | often it [is] [verb] | 22 |
|
