| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [is] [adj] [verb] | 889 |
|
| 2 | [Wh adv] it [be] [adj] [verb] | 212 |
|
| 3 | [Wh adv] [pron] [is] [adj] [verb] | 189 |
|
| 4 | [Wh adv] it [is] [adj] [verb] | 188 |
|
