| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is not [adv] [verb] | 386 |
|
| 2 | it is not [adv] [verb] | 379 |
|
| 3 | it is [adv] often [verb] | 38 |
|
| 4 | [pron] is not often [verb] | 9 |
|
| 5 | it be not often [verb] | 8 |
|
| 6 | it [be] not often [verb] | 8 |
|
| 7 | it [is] not often [verb] | 7 |
|
| 8 | it is not often [verb] | 6 |
|
