| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [not/n't] [adv] | 2753 |
|
| 2 | it is [not/n't] [adv] | 2705 |
|
| 3 | it is [adv] often | 113 |
|
| 4 | it [be] [not/n't] often | 78 |
|
| 5 | it be [not/n't] often | 78 |
|
| 6 | it [is] [not/n't] often | 66 |
|
| 7 | [pron] is [not/n't] often | 42 |
|
| 8 | it is [not/n't] often | 34 |
|
