| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it is [adv] [verb] | 217 |
|
| 2 | [adv] it is [adv] [verb] | 168 |
|
| 3 | [adv] it [be] often [verb] | 11 |
|
| 4 | [adv] it be often [verb] | 11 |
|
| 5 | [adv] [pron] is often [verb] | 10 |
|
| 6 | [adv] [pers pn] is often [verb] | 9 |
|
| 7 | [adv] it is often [verb] | 8 |
|
| 8 | [adv] it is often [verb] | 8 |
|
| 9 | [adv] it [is] often [verb] | 8 |
|
