| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] a [adj] | 12096 |
|
| 2 | it [is] often [adj] | 355 |
|
| 3 | [is] often a [adj] | 162 |
|
| 4 | it [is] often a | 46 |
|
