| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it [is] [adj] [to-vb] [prep] | 123 |
|
| 2 | [Wh adv] it [is] [adj] [verb] [prep] | 27 |
|
| 3 | [Wh adv] [pron] [is] [adj] [to-vb] [prep] | 26 |
|
| 4 | [Wh adv] it [be] [adj] [to-vb] [prep] | 26 |
|
