| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adv] [verb] [prep] | 239 |
|
| 2 | it is [adv] [adv] [verb] [prep] | 217 |
|
| 3 | [pron] is [adv] often [verb] [prep] | 30 |
|
| 4 | it [be] [adv] often [verb] [prep] | 18 |
|
| 5 | it be [adv] often [verb] [prep] | 18 |
|
| 6 | it [is] [adv] often [verb] [prep] | 17 |
|
| 7 | it is [adv] often [verb] [prep] | 16 |
|
| 8 | it is [adv] often [verb] [prep] | 16 |
|
