| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [adj] [verb] | 5909 |
|
| 2 | it is [adv] [adj] [verb] | 4480 |
|
| 3 | it be often [adj] [verb] | 244 |
|
| 4 | it [be] often [adj] [verb] | 244 |
|
| 5 | it [is] often [adj] [verb] | 230 |
|
| 6 | [pron] is often [adj] [verb] | 220 |
|
| 7 | it is often [adj] [verb] | 214 |
|
