| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adv] [to-vb] | 446 |
|
| 2 | is it [adv] [adv] | 206 |
|
| 3 | it [adv] [adv] [to-vb] | 78 |
|
| 4 | is it [adv] [to-vb] | 26 |
|
| 5 | is it [adv] [to-vb] | 23 |
|
