| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adj] [to-vb] | 9197 |
|
| 2 | it [adv] [adj] [to-vb] | 1043 |
|
| 3 | is it [adv] [adj] | 523 |
|
| 4 | is it [adj] [to-vb] | 429 |
|
| 5 | is it [adv] [to-vb] | 26 |
|
