| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adv] | 6804 |
|
| 2 | it is [adv] [adv] | 6020 |
|
| 3 | it be [adv] often | 178 |
|
| 4 | it [be] [adv] often | 178 |
|
| 5 | [pron] is [adv] often | 177 |
|
| 6 | it [is] [adv] often | 156 |
|
| 7 | it is [adv] often | 113 |
|
